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: package org.netbeans.modules.sql.framework.ui.graph.impl;
042:
043: import java.util.HashMap;
044: import java.util.Map;
045:
046: import org.netbeans.modules.sql.framework.ui.graph.IOperatorXmlInfo;
047: import org.netbeans.modules.sql.framework.ui.graph.IOperatorXmlInfoModel;
048: import org.openide.filesystems.Repository;
049: import org.openide.loaders.DataObject;
050: import org.openide.nodes.Children;
051: import org.openide.nodes.Node;
052:
053: /**
054: * @author Ritesh Adval
055: * @version $Revision$
056: */
057: public class OperatorXmlInfoModel implements IOperatorXmlInfoModel {
058: private static final String DEFAULT_FOLDER = "ETLOperators";
059: private Node rootNode;
060: private static final Map modelMap = new HashMap();
061:
062: /** Creates a new instance of OperatorXmlInfoModel */
063: private OperatorXmlInfoModel(String operatorFolder) {
064: String folder = (operatorFolder == null) ? DEFAULT_FOLDER
065: : operatorFolder;
066: DataObject rootObj = getRootOperatorGroupObject(folder);
067: rootNode = new OperatorCategoryRootNode(rootObj);
068: }
069:
070: private DataObject getRootOperatorGroupObject(String folderName) {
071: try {
072: //org.openide.filesystems.FileObject fo = Repository.getDefault().findResource(folderName);
073: org.openide.filesystems.FileObject fo = Repository
074: .getDefault().getDefaultFileSystem().findResource(
075: folderName);
076: if (fo == null) {
077: throw new Exception("Folder not found." + folderName);
078: }
079:
080: return DataObject.find(fo);
081: } catch (Exception ex) {
082: throw new InternalError("Folder not found: " + folderName);
083: }
084: }
085:
086: public Node getRootNode() {
087: return rootNode;
088: }
089:
090: public IOperatorXmlInfo findOperatorXmlInfo(String operatorName) {
091: IOperatorXmlInfo xmlInfo = null;
092: Children children = rootNode.getChildren();
093: Node[] nodes = children.getNodes();
094:
095: for (int i = 0; i < nodes.length; i++) {
096: OperatorCategoryNode node = (OperatorCategoryNode) nodes[i];
097: xmlInfo = node.findOperatorXmlInfo(operatorName);
098: if (xmlInfo != null) {
099: break;
100: }
101: }
102:
103: return xmlInfo;
104: }
105:
106: public static OperatorXmlInfoModel getInstance(String operatorFolder) {
107: String folder = (operatorFolder == null) ? DEFAULT_FOLDER
108: : operatorFolder;
109: String key = folder;
110: Object instance = modelMap.get(key);
111: if (instance == null) {
112: instance = new OperatorXmlInfoModel(folder);
113: modelMap.put(key, instance);
114: }
115:
116: return (OperatorXmlInfoModel) instance;
117: }
118: }
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