001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.modules.uml.drawingarea.dataobject;
043:
044: import org.openide.filesystems.FileObject;
045: import org.openide.filesystems.FileUtil;
046: import org.openide.loaders.DataObjectExistsException;
047: import org.openide.loaders.FileEntry;
048: import org.openide.loaders.MultiDataObject;
049: import org.openide.loaders.MultiFileLoader;
050: import org.openide.util.NbBundle;
051:
052: /**
053: *
054: * @author Sheryl
055: */
056: public class DiagramDataLoader extends MultiFileLoader {
057: /** The standard extensions of the recognized files */
058: public static final String ETLD_EXTENSION = "etld"; // NOI18N
059: public static final String ETLP_EXTENSION = "etlp"; // NOI18N
060:
061: static final long serialVersionUID = 1L;
062:
063: /** Constructs a new DiagramDataLoader */
064: public DiagramDataLoader() {
065: super (
066: "org.netbeans.modules.uml.drawingarea.dataobject.DiagramDataObject"); // NOI18N
067: }
068:
069: /** Gets default display name. Overides superclass method. */
070: @Override
071: protected String defaultDisplayName() {
072: return NbBundle.getBundle(DiagramDataLoader.class).getString(
073: "PROP_DiagramLoader_Name"); // NOI18N
074: }
075:
076: @Override
077: protected String actionsContext() {
078: return "Loaders/text/xml-mime/Actions/"; // NOI18N
079: }
080:
081: /** For a given file finds a primary file.
082: * @param fo the file to find primary file for
083: *
084: * @return the primary file for the file or null if the file is not
085: * recognized by this loader
086: */
087: @Override
088: protected FileObject findPrimaryFile(FileObject fo) {
089: // never recognize folders.
090: if (fo.isFolder())
091: return null;
092: String ext = fo.getExt();
093: if (ext.equals(ETLD_EXTENSION))
094: return FileUtil.findBrother(fo, ETLD_EXTENSION);
095:
096: FileObject etlpFile = findDiagramPrimaryFile(fo);
097: return etlpFile != null
098: && FileUtil.findBrother(etlpFile, ETLD_EXTENSION) != null ? etlpFile
099: : null;
100: }
101:
102: /** Creates the right data object for given primary file.
103: * It is guaranteed that the provided file is realy primary file
104: * returned from the method findPrimaryFile.
105: *
106: * @param primaryFile the primary file
107: * @return the data object for this file
108: * @exception DataObjectExistsException if the primary file already has data object
109: */
110: @Override
111: protected MultiDataObject createMultiObject(FileObject primaryFile)
112: throws DataObjectExistsException, java.io.IOException {
113: return new DiagramDataObject(FileUtil.findBrother(primaryFile,
114: ETLD_EXTENSION), primaryFile, this );
115: }
116:
117: @Override
118: protected MultiDataObject.Entry createSecondaryEntry(
119: MultiDataObject obj, FileObject secondaryFile) {
120: assert ETLD_EXTENSION.equals(secondaryFile.getExt());
121:
122: FileEntry diagramEntry = new FileEntry(obj, secondaryFile);
123: // ((DiagramDataObject)obj).etldEntry = diagramEntry;
124: return diagramEntry;
125: }
126:
127: @Override
128: protected MultiDataObject.Entry createPrimaryEntry(
129: MultiDataObject obj, FileObject primaryFile) {
130: return new FileEntry(obj, primaryFile);
131: }
132:
133: private FileObject findDiagramPrimaryFile(FileObject fo) {
134: if (fo.getExt().equals(ETLP_EXTENSION))
135: return fo;
136: return null;
137: }
138:
139: }
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