package org.eclipse.jst.jsp.ui.internal.hyperlink;
import java.io.File;
import java.io.InputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.hyperlink.IHyperlink;
import org.eclipse.jst.jsp.ui.internal.JSPUIMessages;
import org.eclipse.jst.jsp.ui.internal.JSPUIPlugin;
import org.eclipse.jst.jsp.ui.internal.Logger;
import org.eclipse.ui.IEditorDescriptor;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.IDE;
/**
* Hyperlink for taglib files in jars.
*/
class TaglibJarHyperlink implements IHyperlink {
static class ZipStorage implements IStorage {
File fFile = null;
String fEntryName = null;
ZipStorage(File file, String entryName) {
fFile = file;
fEntryName = entryName;
}
public InputStream getContents() throws CoreException {
InputStream stream = null;
try {
ZipFile file = new ZipFile(fFile);
ZipEntry entry = file.getEntry(fEntryName);
stream = file.getInputStream(entry);
}
catch (Exception e) {
throw new CoreException(new Status(IStatus.ERROR, JSPUIPlugin.getDefault().getBundle().getSymbolicName(), IStatus.ERROR, getFullPath().toString(), e));
}
return stream;
}
public IPath getFullPath() {
return new Path(fFile.getAbsolutePath() + IPath.SEPARATOR + fEntryName);
}
public String getName() {
return fEntryName;
}
public boolean isReadOnly() {
return true;
}
public Object getAdapter(Class adapter) {
return null;
}
}
private IRegion fRegion;
private IPath fZipFilePath;
public TaglibJarHyperlink(IRegion region, IPath zipFilePath) {
fRegion = region;
fZipFilePath = zipFilePath;
}
public IRegion getHyperlinkRegion() {
return fRegion;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.text.hyperlink.IHyperlink#getTypeLabel()
*/
public String getTypeLabel() {
return null;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.text.hyperlink.IHyperlink#getHyperlinkText()
*/
public String getHyperlinkText() {
return JSPUIMessages.TLDHyperlink_hyperlinkText;
}
public void open() {
IEditorInput input = new URLFileHyperlink.StorageEditorInput(new ZipStorage(fZipFilePath.toFile(), "META-INF/taglib.tld")); //$NON-NLS-1$
IEditorDescriptor descriptor;
try {
descriptor = IDE.getEditorDescriptor(input.getName());
if (descriptor != null) {
IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
IDE.openEditor(page, input, descriptor.getId(), true);
}
}
catch (PartInitException e) {
Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
}
}
}