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1 package $packageName$;
2
3 import java.util.Map  ;
4
5 import javax.xml.parsers.ParserConfigurationException ;
6 import javax.xml.parsers.SAXParser ;
7 import javax.xml.parsers.SAXParserFactory ;
8
9 import org.eclipse.core.resources.IFile;
10 import org.eclipse.core.resources.IMarker;
11 import org.eclipse.core.resources.IProject;
12 import org.eclipse.core.resources.IResource;
13 import org.eclipse.core.resources.IResourceDelta;
14 import org.eclipse.core.resources.IResourceDeltaVisitor;
15 import org.eclipse.core.resources.IResourceVisitor;
16 import org.eclipse.core.resources.IncrementalProjectBuilder;
17 import org.eclipse.core.runtime.CoreException;
18 import org.eclipse.core.runtime.IProgressMonitor;
19 import org.xml.sax.SAXException ;
20 import org.xml.sax.SAXParseException ;
21 import org.xml.sax.helpers.DefaultHandler ;
22
23 public class $builderClassName$ extends IncrementalProjectBuilder {
24
25 class SampleDeltaVisitor implements IResourceDeltaVisitor {
26
31 public boolean visit(IResourceDelta delta) throws CoreException {
32 IResource resource = delta.getResource();
33 switch (delta.getKind()) {
34 case IResourceDelta.ADDED:
35 checkXML(resource);
37 break;
38 case IResourceDelta.REMOVED:
39 break;
41 case IResourceDelta.CHANGED:
42 checkXML(resource);
44 break;
45 }
46 return true;
48 }
49 }
50
51 class SampleResourceVisitor implements IResourceVisitor {
52 public boolean visit(IResource resource) {
53 checkXML(resource);
54 return true;
56 }
57 }
58
59 class XMLErrorHandler extends DefaultHandler {
60
61 private IFile file;
62
63 public XMLErrorHandler(IFile file) {
64 this.file = file;
65 }
66
67 private void addMarker(SAXParseException e, int severity) {
68 $builderClassName$.this.addMarker(file, e.getMessage(), e
69 .getLineNumber(), severity);
70 }
71
72 public void error(SAXParseException exception) throws SAXException {
73 addMarker(exception, IMarker.SEVERITY_ERROR);
74 }
75
76 public void fatalError(SAXParseException exception) throws SAXException {
77 addMarker(exception, IMarker.SEVERITY_ERROR);
78 }
79
80 public void warning(SAXParseException exception) throws SAXException {
81 addMarker(exception, IMarker.SEVERITY_WARNING);
82 }
83 }
84
85 public static final String BUILDER_ID = "$pluginId$.$builderId$";
86
87 private static final String MARKER_TYPE = "$pluginId$.xmlProblem";
88
89 private SAXParserFactory parserFactory;
90
91 private void addMarker(IFile file, String message, int lineNumber,
92 int severity) {
93 try {
94 IMarker marker = file.createMarker(MARKER_TYPE);
95 marker.setAttribute(IMarker.MESSAGE, message);
96 marker.setAttribute(IMarker.SEVERITY, severity);
97 if (lineNumber == -1) {
98 lineNumber = 1;
99 }
100 marker.setAttribute(IMarker.LINE_NUMBER, lineNumber);
101 } catch (CoreException e) {
102 }
103 }
104
105
111 protected IProject[] build(int kind, Map args, IProgressMonitor monitor)
112 throws CoreException {
113 if (kind == FULL_BUILD) {
114 fullBuild(monitor);
115 } else {
116 IResourceDelta delta = getDelta(getProject());
117 if (delta == null) {
118 fullBuild(monitor);
119 } else {
120 incrementalBuild(delta, monitor);
121 }
122 }
123 return null;
124 }
125
126 void checkXML(IResource resource) {
127 if (resource instanceof IFile && resource.getName().endsWith(".xml")) {
128 IFile file = (IFile) resource;
129 deleteMarkers(file);
130 XMLErrorHandler reporter = new XMLErrorHandler(file);
131 try {
132 getParser().parse(file.getContents(), reporter);
133 } catch (Exception e1) {
134 }
135 }
136 }
137
138 private void deleteMarkers(IFile file) {
139 try {
140 file.deleteMarkers(MARKER_TYPE, false, IResource.DEPTH_ZERO);
141 } catch (CoreException ce) {
142 }
143 }
144
145 protected void fullBuild(final IProgressMonitor monitor)
146 throws CoreException {
147 try {
148 getProject().accept(new SampleResourceVisitor());
149 } catch (CoreException e) {
150 }
151 }
152
153 private SAXParser getParser() throws ParserConfigurationException ,
154 SAXException {
155 if (parserFactory == null) {
156 parserFactory = SAXParserFactory.newInstance();
157 }
158 return parserFactory.newSAXParser();
159 }
160
161 protected void incrementalBuild(IResourceDelta delta,
162 IProgressMonitor monitor) throws CoreException {
163 delta.accept(new SampleDeltaVisitor());
165 }
166 }
167 |
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