root / src / gr / grnet / pithos / web / client / foldertree / File.java @ afb23bf9
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/*
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* Copyright 2011-2013 GRNET S.A. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and
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* documentation are those of the authors and should not be
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* interpreted as representing official policies, either expressed
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* or implied, of GRNET S.A.
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*/
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package gr.grnet.pithos.web.client.foldertree; |
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import com.google.gwt.http.client.Header; |
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import com.google.gwt.http.client.Response; |
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import com.google.gwt.http.client.URL; |
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import com.google.gwt.i18n.client.DateTimeFormat; |
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import com.google.gwt.i18n.client.DateTimeFormat.PredefinedFormat; |
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import com.google.gwt.i18n.client.NumberFormat; |
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import com.google.gwt.json.client.JSONObject; |
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import com.google.gwt.json.client.JSONValue; |
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import gr.grnet.pithos.web.client.Pithos; |
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import gr.grnet.pithos.web.client.Resource; |
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import java.util.Date; |
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import java.util.HashMap; |
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import java.util.Map; |
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public class File extends Resource { |
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private String name; |
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private String hash; |
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private int version; |
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private long bytes; |
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private String contentType; |
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private Date lastModified; |
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private String modifiedBy; |
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private String path; |
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private String ownerID; |
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private String container; |
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private Folder parent;
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private Map<String, String> meta = new HashMap<String, String>(); |
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private boolean published; |
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private String publicUri; |
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private Map<String, Boolean[]> permissions = new HashMap<String, Boolean[]>(); |
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private String inheritedPermissionsFrom; |
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public String getContentType() { |
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return contentType;
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} |
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public String getHash() { |
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return hash;
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} |
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@Override
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public Date getLastModified() { |
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return lastModified;
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} |
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public String getModifiedBy() { |
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return modifiedBy;
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} |
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public String getName() { |
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return name;
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} |
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public int getVersion() { |
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return version;
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} |
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public String getUri() { |
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return "/" + container + "/" + path; |
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} |
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public String getOwnerID() { |
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return ownerID;
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} |
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public String getPath() { |
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return path;
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} |
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public long getBytes() { |
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return bytes;
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} |
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public String getSizeAsString() { |
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NumberFormat nf = NumberFormat.getFormat("######.#"); |
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if (bytes < 1024) |
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return String.valueOf(bytes) + " B"; |
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else if (bytes < 1024 * 1024) |
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return nf.format(Double.valueOf(bytes)/(1024)) + " KB"; |
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else if (bytes < 1024 * 1024 * 1024) |
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return nf.format(Double.valueOf(bytes)/(1024 * 1024)) + " MB"; |
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return nf.format(Double.valueOf(bytes)/(1024 * 1024 * 1024)) + " GB"; |
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} |
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public boolean isSharedOrPublished() { |
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return !permissions.isEmpty() || published;
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} |
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public boolean isShared() { |
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return !permissions.isEmpty();
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} |
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public void populate(Folder _parent, JSONObject o, String _owner, String _container) { |
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Pithos.LOG("File::populate(parent=", parent, ", o=", o, ", owner=", _owner, ", container=", _container, ")"); |
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this.parent = _parent;
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path = unmarshallString(o, "name");
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if (parent != null && parent.getPrefix().length() > 0) |
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name = path.substring(parent.getPrefix().length() + 1);
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else
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name = path; |
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this.ownerID = _owner;
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hash = unmarshallString(o, "hash");
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bytes = unmarshallLong(o, "bytes");
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version = unmarshallInt(o, "x_object_version");
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contentType = unmarshallString(o, "content_type");
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lastModified = unmarshallDate(o, "last_modified");
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modifiedBy = unmarshallString(o, "x_object_modified_by");
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published = o.containsKey("x_object_public");
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publicUri = unmarshallString(o, "x_object_public");
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this.container = _container;
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inheritedPermissionsFrom = unmarshallString(o, "x_object_shared_by");
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String rawPermissions = unmarshallString(o, "x_object_sharing"); |
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if (rawPermissions != null) |
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parsePermissions(rawPermissions); |
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JSONValue metaValue = o.get("x_object_meta");
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if (metaValue != null) { |
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JSONObject metaObj = metaValue.isObject(); |
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if (metaObj != null) { |
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for (String key: metaObj.keySet()) { |
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meta.put(key, unmarshallString(metaObj, key)); |
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} |
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} |
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} |
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} |
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private void parsePermissions(String rawPermissions) { |
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String[] readwrite = rawPermissions.split(";"); |
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for (String s : readwrite) { |
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String[] part = s.split("="); |
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String perm = part[0].trim(); |
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String[] users = part[1].split(","); |
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for (String u : users) { |
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String user = u.trim();
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Boolean[] userPerm = permissions.get(u); |
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if (userPerm == null) { |
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userPerm = new Boolean[2]; |
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permissions.put(user, userPerm); |
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} |
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if (perm.equals("read")) { |
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userPerm[0] = Boolean.TRUE; |
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} |
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else if (perm.equals("write")) { |
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userPerm[1] = Boolean.TRUE; |
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} |
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} |
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} |
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} |
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@Override
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public boolean equals(Object other) { |
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if (other instanceof File) { |
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File o = (File) other; |
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return name.equals(o.getName());
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} |
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return false; |
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} |
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@Override
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public int hashCode() { |
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return name.hashCode();
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} |
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public String getContainer() { |
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return container;
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} |
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public static File createFromResponse(String owner, Response response, File result) { |
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result.populate(owner, response); |
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return result;
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} |
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private void populate(String _owner, Response response) { |
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Pithos.LOG("File::populate(owner=", _owner, ", response=", response, ")"); |
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this.ownerID = _owner;
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published = false;
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publicUri = null;
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permissions.clear(); |
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for (Header h : response.getHeaders()) {
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if (h == null) |
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continue; //IE bug. h cannot be null in the general case |
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String header = h.getName();
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if (header.startsWith("X-Object-Meta-")) |
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meta.put(URL.decodePathSegment(header.substring("X-Object-Meta-".length())), URL.decodePathSegment(h.getValue())); |
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else if (header.equals("X-Object-Sharing")) { |
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String rawPermissions = h.getValue();
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parsePermissions(URL.decodePathSegment(rawPermissions));
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} |
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else if (header.equals("X-Object-Shared-By")) { |
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inheritedPermissionsFrom = URL.decodePathSegment(h.getValue());
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} |
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else if (header.equals("Content-Length")) { |
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bytes = Long.parseLong(h.getValue());
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} |
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else if (header.equals("Content-Type")) { |
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contentType = h.getValue(); |
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} |
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else if (header.equals("Last-Modified")) { |
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lastModified = DateTimeFormat.getFormat(PredefinedFormat.RFC_2822).parse(h.getValue()); |
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} |
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else if (header.equals("X-Object-Public")) { |
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published = true;
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publicUri = h.getValue(); |
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} |
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} |
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} |
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public Folder getParent() {
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return parent;
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} |
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public Map<String, String> getMeta() { |
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return meta;
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} |
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public boolean isPublished() { |
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return published;
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} |
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public String getPublicUri() { |
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return publicUri;
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} |
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public Map<String, Boolean[]> getPermissions() { |
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return permissions;
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} |
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public String getInheritedPermissionsFrom() { |
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return inheritedPermissionsFrom;
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} |
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public void setName(String _name) { |
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name = _name; |
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} |
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@Override
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public String toString() { |
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final StringBuilder sb = new StringBuilder(); |
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sb.append("File(").append(getUri()).append(")"); |
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if(published) {
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sb.append("::[");
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sb.append(getPublicUri()); |
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sb.append("]");
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} |
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return sb.toString();
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} |
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} |