root / src / com / rackspacecloud / android / ContainerObjectDetails.java @ b2a2d2f1
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package com.rackspacecloud.android; |
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import java.io.BufferedOutputStream; |
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import java.io.File; |
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import java.io.FileNotFoundException; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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import org.apache.http.HttpEntity; |
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import org.apache.http.HttpResponse; |
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import org.apache.http.util.EntityUtils; |
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import android.app.Activity; |
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import android.app.AlertDialog; |
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import android.app.Dialog; |
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import android.content.DialogInterface; |
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import android.content.Intent; |
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import android.net.Uri; |
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import android.os.AsyncTask; |
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import android.os.Bundle; |
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import android.os.Environment; |
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import android.view.Menu; |
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import android.view.MenuInflater; |
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import android.view.MenuItem; |
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import android.view.View; |
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import android.widget.Button; |
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import android.widget.TextView; |
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import android.widget.Toast; |
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import com.rackspace.cloud.files.api.client.ContainerObjectManager; |
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import com.rackspace.cloud.files.api.client.ContainerObjects; |
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import com.rackspace.cloud.servers.api.client.CloudServersException; |
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import com.rackspace.cloud.servers.api.client.http.HttpBundle; |
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/**
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*
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* @author Phillip Toohill
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*
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*/
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public class ContainerObjectDetails extends CloudActivity { |
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private static final int deleteObject = 0; |
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private final String DOWNLOAD_DIRECTORY = "/RackspaceCloud"; |
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private ContainerObjects objects;
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private String containerNames; |
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private String cdnURL; |
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private String cdnEnabled; |
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public String LOG = "ViewObject"; |
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private int bConver = 1048576; |
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private int kbConver = 1024; |
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private double megaBytes; |
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private double kiloBytes; |
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public Button previewButton; |
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public Button downloadButton; |
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private Boolean isDownloaded; |
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private AndroidCloudApplication app;
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private DeleteObjectListenerTask deleteObjTask;
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private DownloadObjectListenerTask downloadObjTask;
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/** Called when the activity is first created. */
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@Override
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public void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState);
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trackPageView(PAGE_STORAGE_OBJECT); |
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objects = (ContainerObjects) this.getIntent().getExtras().get("container"); |
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containerNames = (String) this.getIntent().getExtras().get("containerNames"); |
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cdnURL = (String) this.getIntent().getExtras().get("cdnUrl"); |
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cdnEnabled = (String) this.getIntent().getExtras().get("isCdnEnabled"); |
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setContentView(R.layout.viewobject); |
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restoreState(savedInstanceState); |
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} |
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@Override
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protected void onSaveInstanceState(Bundle outState) { |
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super.onSaveInstanceState(outState);
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outState.putSerializable("container", objects);
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outState.putBoolean("isDownloaded", isDownloaded);
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} |
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protected void restoreState(Bundle state) { |
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super.restoreState(state);
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/*
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* need reference to the app so you can access curDirFiles
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* as well as processing status
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*/
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app = (AndroidCloudApplication)this.getApplication();
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if (state != null && state.containsKey("container")) { |
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objects = (ContainerObjects) state.getSerializable("container");
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} |
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loadObjectData(); |
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if ( cdnEnabled.equals("true")) { |
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this.previewButton = (Button) findViewById(R.id.preview_button); |
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previewButton.setOnClickListener(new MyOnClickListener());
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} else {
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this.previewButton = (Button) findViewById(R.id.preview_button); |
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previewButton.setVisibility(View.GONE);
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} |
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if (state != null && state.containsKey("isDownloaded")){ |
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isDownloaded = state.getBoolean("isDownloaded");
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} |
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else{
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isDownloaded = fileIsDownloaded(); |
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} |
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this.downloadButton = (Button) findViewById(R.id.download_button); |
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if ( isDownloaded ) {
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downloadButton.setText("Open File");
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} else {
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downloadButton.setText("Download File");
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} |
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downloadButton.setOnClickListener(new MyOnClickListener());
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if(app.isDeletingObject()){
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deleteObjTask = new DeleteObjectListenerTask();
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deleteObjTask.execute(); |
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} |
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if(app.isDownloadingObject()){
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downloadObjTask = new DownloadObjectListenerTask();
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downloadObjTask.execute(); |
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} |
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} |
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@Override
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protected void onStop(){ |
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super.onStop();
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/*
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* Need to stop running listener task
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* if we exit
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*/
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if(deleteObjTask != null){ |
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deleteObjTask.cancel(true);
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} |
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if(downloadObjTask != null){ |
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downloadObjTask.cancel(true);
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} |
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} |
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private void loadObjectData() { |
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//Object Name
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TextView name = (TextView) findViewById(R.id.view_container_name); |
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name.setText(objects.getCName().toString()); |
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//File size
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if (objects.getBytes() >= bConver) {
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megaBytes = Math.abs(objects.getBytes()/bConver + 0.2); |
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TextView sublabel = (TextView) findViewById(R.id.view_file_bytes); |
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sublabel.setText(megaBytes + " MB");
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} else if (objects.getBytes() >= kbConver){ |
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kiloBytes = Math.abs(objects.getBytes()/kbConver + 0.2); |
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TextView sublabel = (TextView) findViewById(R.id.view_file_bytes); |
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sublabel.setText(kiloBytes + " KB");
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} else {
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TextView sublabel = (TextView) findViewById(R.id.view_file_bytes); |
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sublabel.setText(objects.getBytes() + " B");
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} |
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//Content Type
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TextView cType = (TextView) findViewById(R.id.view_content_type); |
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cType.setText(objects.getContentType().toString()); |
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//Last Modification date
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String strDate = objects.getLastMod();
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strDate = strDate.substring(0, strDate.indexOf('T')); |
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TextView lastmod = (TextView) findViewById(R.id.view_file_modification); |
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lastmod.setText(strDate); |
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} |
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private class MyOnClickListener implements View.OnClickListener { |
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@Override
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public void onClick(View v) { |
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if(v.equals(findViewById(R.id.preview_button))){
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Intent viewIntent = new Intent("android.intent.action.VIEW", Uri.parse(cdnURL + "/" + objects.getCName())); |
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startActivity(viewIntent); |
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} |
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/*
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* need to perform different functions based on if
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* the file is in the devices filesystem
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*/
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if(v.equals(findViewById(R.id.download_button))){
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if(!isDownloaded){
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if(storageIsReady()){
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new ContainerObjectDownloadTask().execute();
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} |
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else{
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showAlert("Error", "Storage not found."); |
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} |
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} |
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else{
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openFile(); |
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} |
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} |
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} |
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} |
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//Create the Menu options
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@Override
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public boolean onCreateOptionsMenu(Menu menu) { |
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super.onCreateOptionsMenu(menu);
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MenuInflater inflater = getMenuInflater(); |
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inflater.inflate(R.menu.container_object_list_menu, menu); |
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return true; |
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} |
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@Override
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public boolean onOptionsItemSelected(MenuItem item) { |
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switch (item.getItemId()) {
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case R.id.delete_object:
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showDialog(deleteObject); |
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return true; |
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case R.id.refresh:
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loadObjectData(); |
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return true; |
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} |
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return false; |
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} |
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@Override
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protected Dialog onCreateDialog(int id ) { |
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switch (id) {
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case deleteObject:
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return new AlertDialog.Builder(ContainerObjectDetails.this) |
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.setIcon(R.drawable.alert_dialog_icon) |
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.setTitle("Delete File")
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.setMessage("Are you sure you want to delete this file?")
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.setPositiveButton("Delete File", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int whichButton) { |
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// User clicked OK so do some stuff
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trackEvent(CATEGORY_FILE, EVENT_DELETE, "", -1); |
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new ContainerObjectDeleteTask().execute((Void[]) null); |
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} |
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}) |
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.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int whichButton) { |
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// User clicked Cancel so do some stuff
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} |
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}) |
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.create(); |
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} |
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return null; |
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} |
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/**
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* @return the file
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*/
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public ContainerObjects getViewFile() {
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return objects;
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} |
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/**
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* @param File the file to set
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*/
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public void setViewFile(ContainerObjects object) { |
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this.objects = object;
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} |
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/*
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* returns false if external storage is not avaliable
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* (if its mounted, missing, read-only, etc)
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* from: http://developer.android.com/guide/topics/data/data-storage.html#filesExternal
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*/
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private boolean storageIsReady(){ |
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boolean mExternalStorageAvailable = false; |
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boolean mExternalStorageWriteable = false; |
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String state = Environment.getExternalStorageState();
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if (Environment.MEDIA_MOUNTED.equals(state)) {
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// We can read and write the media
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mExternalStorageAvailable = mExternalStorageWriteable = true;
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} else if (Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) { |
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// We can only read the media
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mExternalStorageAvailable = true;
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mExternalStorageWriteable = false;
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} else {
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// Something else is wrong. It may be one of many other states, but all we need
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// to know is we can neither read nor write
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mExternalStorageAvailable = mExternalStorageWriteable = false;
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} |
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return mExternalStorageAvailable && mExternalStorageWriteable;
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} |
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private boolean fileIsDownloaded(){ |
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if(storageIsReady()){
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String fileName = Environment.getExternalStorageDirectory().getPath() + "/RackspaceCloud/" + objects.getCName(); |
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File f = new File(fileName); |
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return f.isFile();
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} |
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return false; |
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} |
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private void openFile(){ |
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File object = new File(Environment.getExternalStorageDirectory().getPath() + "/RackspaceCloud/" + objects.getCName()); |
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Intent myIntent = new Intent(android.content.Intent.ACTION_VIEW);
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File file = new File(object.getAbsolutePath()); |
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String extension = android.webkit.MimeTypeMap.getFileExtensionFromUrl(Uri.fromFile(file).toString());
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String mimetype = android.webkit.MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension);
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myIntent.setDataAndType(Uri.fromFile(file),mimetype); |
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//myIntent.setData(Uri.fromFile(file));
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try{
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startActivity(myIntent); |
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} |
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catch(Exception e){ |
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Toast.makeText(this, "Could not open file.", Toast.LENGTH_SHORT).show(); |
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} |
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} |
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private boolean writeFile(byte[] data){ |
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String directoryName = Environment.getExternalStorageDirectory().getPath() + DOWNLOAD_DIRECTORY;
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File f = new File(directoryName); |
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if(!f.isDirectory()){
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if(!f.mkdir()){
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return false; |
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} |
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} |
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String filename = directoryName + "/" + objects.getCName(); |
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File object = new File(filename); |
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BufferedOutputStream bos = null; |
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try{
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FileOutputStream fos = new FileOutputStream(object); |
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bos = new BufferedOutputStream(fos); |
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bos.write(data); |
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} |
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catch(FileNotFoundException e){ |
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e.printStackTrace(); |
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} |
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catch(IOException e){ |
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e.printStackTrace(); |
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} |
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finally{
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if(bos != null){ |
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try {
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bos.flush(); |
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bos.close(); |
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} catch (IOException e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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} |
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return true; |
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} |
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//Task's
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private class ContainerObjectDeleteTask extends AsyncTask<Void, Void, HttpBundle> { |
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private CloudServersException exception;
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protected void onPreExecute(){ |
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showDialog(); |
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app.setDeleteingObject(true);
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deleteObjTask = new DeleteObjectListenerTask();
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deleteObjTask.execute(); |
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} |
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@Override
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protected HttpBundle doInBackground(Void... arg0) { |
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HttpBundle bundle = null;
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try {
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bundle = (new ContainerObjectManager(getContext())).deleteObject(containerNames, objects.getCName() );
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} catch (CloudServersException e) {
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exception = e; |
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} |
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return bundle;
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} |
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@Override
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protected void onPostExecute(HttpBundle bundle) { |
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app.setDeleteingObject(false);
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hideDialog(); |
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HttpResponse response = bundle.getResponse(); |
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if (response != null) { |
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int statusCode = response.getStatusLine().getStatusCode();
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if (statusCode == 204) { |
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//handled by listener
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} else {
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CloudServersException cse = parseCloudServersException(response); |
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if ("".equals(cse.getMessage())) { |
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showError("There was a problem deleting your File.", bundle);
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} else {
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showError("There was a problem deleting your file: " + cse.getMessage(), bundle);
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} |
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} |
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} else if (exception != null) { |
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showError("There was a problem deleting your file: " + exception.getMessage(), bundle);
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} |
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} |
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} |
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private class ContainerObjectDownloadTask extends AsyncTask<Void, Void, HttpBundle> { |
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private CloudServersException exception;
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@Override
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protected void onPreExecute(){ |
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showDialog(); |
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app.setDownloadingObject(true);
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downloadObjTask = new DownloadObjectListenerTask();
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downloadObjTask.execute(); |
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} |
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@Override
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protected HttpBundle doInBackground(Void... arg0) { |
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HttpBundle bundle = null;
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try {
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bundle = (new ContainerObjectManager(getContext())).getObject(containerNames, objects.getCName());
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} catch (CloudServersException e) {
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exception = e; |
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} |
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return bundle;
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} |
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@Override
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protected void onPostExecute(HttpBundle bundle) { |
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app.setDownloadingObject(false);
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hideDialog(); |
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HttpResponse response = bundle.getResponse(); |
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if (response != null) { |
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int statusCode = response.getStatusLine().getStatusCode();
|
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if (statusCode == 200) { |
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setResult(Activity.RESULT_OK); |
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HttpEntity entity = response.getEntity(); |
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app.setDownloadedEntity(entity); |
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} else {
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CloudServersException cse = parseCloudServersException(response); |
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if ("".equals(cse.getMessage())) { |
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showError("There was a problem downloading your File.", bundle);
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} else {
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showError("There was a problem downloading your file: " + cse.getMessage(), bundle);
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} |
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} |
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} else if (exception != null) { |
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showError("There was a problem downloading your file: " + exception.getMessage(), bundle);
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} |
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} |
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} |
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|
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private class DeleteObjectListenerTask extends |
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AsyncTask<Void, Void, Void> { |
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|
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@Override
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protected Void doInBackground(Void... arg1) { |
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|
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while(app.isDeletingObject()){
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// wait for process to finish
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// or have it be canceled
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if(deleteObjTask.isCancelled()){
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return null; |
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} |
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} |
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return null; |
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} |
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|
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/*
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* when no longer processing, time to load
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* the new files
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*/
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@Override
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protected void onPostExecute(Void arg1) { |
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hideDialog(); |
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setResult(99);
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finish(); |
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} |
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} |
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|
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private class DownloadObjectListenerTask extends |
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AsyncTask<Void, Void, Void> { |
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|
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@Override
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protected Void doInBackground(Void... arg1) { |
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|
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while(app.isDownloadingObject()){
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// wait for process to finish
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// or have it be canceled
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if(downloadObjTask.isCancelled()){
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return null; |
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} |
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} |
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return null; |
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} |
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|
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/*
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* when no longer processing, time to load
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* the new files
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*/
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@Override
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protected void onPostExecute(Void arg1) { |
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hideDialog(); |
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try {
|
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if(writeFile(EntityUtils.toByteArray(app.getDownloadedEntity()))){
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downloadButton.setText("Open File");
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isDownloaded = true;
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} |
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else{
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showAlert("Error", "There was a problem downloading your file."); |
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} |
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|
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} catch (IOException e) { |
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showAlert("Error", "There was a problem downloading your file."); |
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e.printStackTrace(); |
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} catch (Exception e) { |
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showAlert("Error", "There was a problem downloading your file."); |
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e.printStackTrace(); |
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} |
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} |
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} |
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|
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} |