diff options
Diffstat (limited to 'bundles/org.eclipse.jst.jsp.ui/src/org/eclipse/jst/jsp/ui/internal/hyperlink/JSPJavaHyperlinkDetector.java')
| -rw-r--r-- | bundles/org.eclipse.jst.jsp.ui/src/org/eclipse/jst/jsp/ui/internal/hyperlink/JSPJavaHyperlinkDetector.java | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/bundles/org.eclipse.jst.jsp.ui/src/org/eclipse/jst/jsp/ui/internal/hyperlink/JSPJavaHyperlinkDetector.java b/bundles/org.eclipse.jst.jsp.ui/src/org/eclipse/jst/jsp/ui/internal/hyperlink/JSPJavaHyperlinkDetector.java deleted file mode 100644 index be5c52d0e0..0000000000 --- a/bundles/org.eclipse.jst.jsp.ui/src/org/eclipse/jst/jsp/ui/internal/hyperlink/JSPJavaHyperlinkDetector.java +++ /dev/null @@ -1,237 +0,0 @@ -package org.eclipse.jst.jsp.ui.internal.hyperlink; - -import java.util.ArrayList; -import java.util.List; - -import org.eclipse.core.resources.IFile; -import org.eclipse.core.resources.ResourcesPlugin; -import org.eclipse.core.runtime.Path; -import org.eclipse.jdt.core.IField; -import org.eclipse.jdt.core.IJavaElement; -import org.eclipse.jdt.core.ILocalVariable; -import org.eclipse.jdt.core.IMethod; -import org.eclipse.jdt.core.ISourceRange; -import org.eclipse.jdt.core.ISourceReference; -import org.eclipse.jdt.core.JavaModelException; -import org.eclipse.jface.text.BadLocationException; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.IRegion; -import org.eclipse.jface.text.ITextViewer; -import org.eclipse.jface.text.Region; -import org.eclipse.jface.text.hyperlink.IHyperlink; -import org.eclipse.jface.text.hyperlink.IHyperlinkDetector; -import org.eclipse.jst.jsp.core.internal.java.IJSPTranslation; -import org.eclipse.jst.jsp.core.internal.java.JSPTranslation; -import org.eclipse.jst.jsp.core.internal.java.JSPTranslationAdapter; -import org.eclipse.jst.jsp.ui.internal.Logger; -import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; -import org.eclipse.wst.sse.core.internal.provisional.StructuredModelManager; -import org.eclipse.wst.xml.core.internal.provisional.document.IDOMDocument; -import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel; - -/** - * Detects hyperlinks in JSP Java content - */ -public class JSPJavaHyperlinkDetector implements IHyperlinkDetector { - - private IHyperlink createHyperlink(IJavaElement element, IRegion region, IDocument document) { - IHyperlink link = null; - if (region != null) { - // open local variable in the JSP file... - if (element instanceof ISourceReference) { - IFile file = null; - int jspOffset = 0; - IStructuredModel sModel = null; - - // try to locate the file in the workspace - try { - sModel = StructuredModelManager.getModelManager().getExistingModelForRead(document); - if (sModel != null) { - String uriString = sModel.getResolver().getFileBaseLocation(); - file = getFile(uriString); - } - } - finally { - if (sModel != null) - sModel.releaseFromRead(); - } - - // get Java range, translate coordinate to JSP - - try { - ISourceRange range = null; - IJSPTranslation jspTranslation = getJSPTranslation(document); - if (jspTranslation != null) { - // link to local variable definitions - if (element instanceof ILocalVariable) { - range = ((ILocalVariable) element).getNameRange(); - } - // linking to fields of the same compilation unit - else if (element.getElementType() == IJavaElement.FIELD) { - Object cu = ((IField) element).getCompilationUnit(); - if (cu != null && cu.equals(jspTranslation.getCompilationUnit())) - range = ((ISourceReference) element).getSourceRange(); - } - // linking to methods of the same compilation unit - else if (element.getElementType() == IJavaElement.METHOD) { - Object cu = ((IMethod) element).getCompilationUnit(); - if (cu != null && cu.equals(jspTranslation.getCompilationUnit())) - range = ((ISourceReference) element).getSourceRange(); - } - } - - if (range != null && file != null && file.exists()) { - jspOffset = jspTranslation.getJspOffset(range.getOffset()); - if (jspOffset >= 0) { - link = new WorkspaceFileHyperlink(region, file, new Region(jspOffset, range.getLength())); - } - } - } - catch (JavaModelException jme) { - Logger.log(Logger.WARNING_DEBUG, jme.getMessage(), jme); - } - } - if (link == null) { - link = new JSPJavaHyperlink(region, element); - } - } - return link; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.jface.text.hyperlink.IHyperlinkDetector#detectHyperlinks(org.eclipse.jface.text.ITextViewer, - * org.eclipse.jface.text.IRegion, boolean) - */ - public IHyperlink[] detectHyperlinks(ITextViewer textViewer, IRegion region, boolean canShowMultipleHyperlinks) { - List hyperlinks = new ArrayList(0); - - if (region != null && textViewer != null) { - IDocument document = textViewer.getDocument(); - - // check and make sure this is a valid Java type - JSPTranslation jspTranslation = getJSPTranslation(document); - if (jspTranslation != null) { - // check if we are in JSP Java content - int javaOffset = jspTranslation.getJavaOffset(region.getOffset()); - if (javaOffset > -1) { - // check that we are not in indirect Java content (like - // included files) - if (!jspTranslation.isIndirect(javaOffset)) { - // get Java elements - IJavaElement[] elements = jspTranslation.getElementsFromJspRange(region.getOffset(), region.getOffset() + region.getLength()); - if (elements != null && elements.length > 0) { - // create a JSPJavaHyperlink for each Java element - for (int i = 0; i < elements.length; ++i) { - IJavaElement element = elements[i]; - - // find hyperlink range for Java element - IRegion hyperlinkRegion = selectWord(document, region.getOffset()); - IHyperlink link = createHyperlink(element, hyperlinkRegion, document); - if (link != null) { - hyperlinks.add(link); - } - } - } - } - } - } - } - - if (hyperlinks.size() == 0) - return null; - return (IHyperlink[]) hyperlinks.toArray(new IHyperlink[0]); - } - - /** - * Returns an IFile from the given uri if possible, null if cannot find - * file from uri. - * - * @param fileString - * file system path - * @return returns IFile if fileString exists in the workspace - */ - private IFile getFile(String fileString) { - IFile file = null; - - if (fileString != null) { - IFile[] files = ResourcesPlugin.getWorkspace().getRoot().findFilesForLocation(new Path(fileString)); - for (int i = 0; i < files.length && file == null; i++) - if (files[i].exists()) - file = files[i]; - } - - return file; - } - /** - * Get JSP translation object - * - * @return JSPTranslation if one exists, null otherwise - */ - private JSPTranslation getJSPTranslation(IDocument document) { - JSPTranslation translation = null; - - IDOMModel xmlModel = null; - try { - xmlModel = (IDOMModel) StructuredModelManager.getModelManager().getExistingModelForRead(document); - if (xmlModel != null) { - IDOMDocument xmlDoc = xmlModel.getDocument(); - JSPTranslationAdapter adapter = (JSPTranslationAdapter) xmlDoc.getAdapterFor(IJSPTranslation.class); - if (adapter != null) { - translation = adapter.getJSPTranslation(); - } - } - } - finally { - if (xmlModel != null) - xmlModel.releaseFromRead(); - } - return translation; - } - - /** - * Java always selects word when defining region - * - * @param document - * @param anchor - * @return IRegion - */ - private IRegion selectWord(IDocument document, int anchor) { - - try { - int offset = anchor; - char c; - - while (offset >= 0) { - c = document.getChar(offset); - if (!Character.isJavaIdentifierPart(c)) - break; - --offset; - } - - int start = offset; - - offset = anchor; - int length = document.getLength(); - - while (offset < length) { - c = document.getChar(offset); - if (!Character.isJavaIdentifierPart(c)) - break; - ++offset; - } - - int end = offset; - - if (start == end) - return new Region(start, 0); - - return new Region(start + 1, end - start - 1); - - } - catch (BadLocationException x) { - return null; - } - } -} |