cid#1636690 Dereference after null check
[LibreOffice.git] / odk / examples / java / Inspector / TDocSupplier.java
blob593c8a852efabbda7c8ace82eb5d6a03558e431d
1 /* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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37 import com.sun.star.beans.Property;
38 import com.sun.star.beans.PropertyValue;
39 import com.sun.star.frame.XComponentLoader;
40 import com.sun.star.frame.XModel;
41 import com.sun.star.lang.XComponent;
42 import com.sun.star.lang.XMultiComponentFactory;
43 import com.sun.star.sdbc.XRow;
44 import com.sun.star.ucb.Command;
45 import com.sun.star.ucb.UniversalContentBroker;
46 import com.sun.star.ucb.XCommandProcessor;
47 import com.sun.star.ucb.XContent;
48 import com.sun.star.ucb.XContentIdentifier;
49 import com.sun.star.ucb.XSimpleFileAccess;
50 import com.sun.star.ucb.XUniversalContentBroker;
51 import com.sun.star.uno.UnoRuntime;
52 import com.sun.star.uno.XComponentContext;
53 import javax.swing.JOptionPane;
56 public class TDocSupplier {
57 private XMultiComponentFactory m_xMultiComponentFactory;
58 private XComponentContext m_xComponentContext;
61 /** Creates a new instance of TDocSupplier */
62 public TDocSupplier(XComponentContext _xComponentContext) {
63 m_xComponentContext = _xComponentContext;
64 m_xMultiComponentFactory = m_xComponentContext.getServiceManager();
68 private XComponentContext getXComponentContext(){
69 return m_xComponentContext;
73 private XMultiComponentFactory getXMultiComponentFactory(){
74 return m_xMultiComponentFactory;
77 public XModel getXModelByTDocUrl(String _sTDocUrl){
78 try{
79 XRow xRow = getXRowOfTDocUrl(_sTDocUrl, "DocumentModel");
80 if (xRow != null){
81 Object oModel = xRow.getObject(1, null);
82 XModel xModel = UnoRuntime.queryInterface(XModel.class, oModel);
83 return xModel;
85 }catch(Exception exception){
86 exception.printStackTrace(System.err);
88 JOptionPane.showMessageDialog(new javax.swing.JFrame(), "The selected Document could not be opened!", "Object Inspector", JOptionPane.ERROR_MESSAGE);
89 return null;
93 public String getTitleByTDocUrl(String _sTDocUrl){
94 try{
95 XRow xRow = this.getXRowOfTDocUrl(_sTDocUrl, "Title");
96 if (xRow != null){
97 return xRow.getString(1);
99 }catch(Exception exception){
100 exception.printStackTrace(System.err);
102 JOptionPane.showMessageDialog(new javax.swing.JFrame(), "The selected Document could not be opened!", "Object Inspector", JOptionPane.ERROR_MESSAGE);
103 return "";
107 private XRow getXRowOfTDocUrl(String _sTDocUrl, String _sPropertyName){
108 try{
109 XUniversalContentBroker xUCB = UniversalContentBroker.create( getXComponentContext() );
110 XContentIdentifier xId = xUCB.createContentIdentifier(_sTDocUrl);
111 XContent xContent = xUCB.queryContent(xId);
112 XCommandProcessor xCmdProcessor = UnoRuntime.queryInterface(XCommandProcessor.class, xContent);
113 Property aProperty = new Property();
114 aProperty.Name = _sPropertyName; // "DocumentModel"; //DocumentModel
115 Command aCommand = new Command();
116 aCommand.Name = "getPropertyValues";
117 aCommand.Handle = -1; // not available
118 aCommand.Argument = new Property[]{aProperty};
119 Object oAny = xCmdProcessor.execute(aCommand, 0, null);
120 XRow xRow = UnoRuntime.queryInterface(XRow.class, oAny);
121 return xRow;
122 }catch(Exception exception){
123 exception.printStackTrace(System.err);
124 return null;
128 protected String[] getTDocTitles(String[] _sTDocUrls){
129 String[] sTitles = new String[_sTDocUrls.length];
130 for (int i = 0; i < _sTDocUrls.length; i++){
131 sTitles[i] = getTitleByTDocUrl(_sTDocUrls[i]);
133 return sTitles;
137 protected String[] getTDocUrls(){
138 try{
139 Object oSimpleFileAccess = getXMultiComponentFactory().createInstanceWithContext("com.sun.star.ucb.SimpleFileAccess", getXComponentContext());
140 XSimpleFileAccess xSimpleFileAccess = UnoRuntime.queryInterface(XSimpleFileAccess.class, oSimpleFileAccess);
141 String[] sContent = xSimpleFileAccess.getFolderContents("vnd.sun.star.tdoc:/", false);
142 return sContent;
143 } catch( Exception e ) {
144 System.err.println( e );
145 return new String[]{};
149 public XComponent openEmptyDocument(String _sUrl){
150 try{
151 PropertyValue[] aPropertyValues = new PropertyValue[1];
152 aPropertyValues[0] = new PropertyValue();
153 aPropertyValues[0].Name = "Hidden";
154 aPropertyValues[0].Value = Boolean.TRUE;
155 Object oDesktop = getXMultiComponentFactory().createInstanceWithContext("com.sun.star.frame.Desktop", getXComponentContext());
156 XComponentLoader xCL = UnoRuntime.queryInterface(XComponentLoader.class, oDesktop);
157 return xCL.loadComponentFromURL(_sUrl, "_default", 0, aPropertyValues);
159 catch( Exception exception ) {
160 System.err.println( exception );
161 return null;
166 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */