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/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved.
*/
package org.eclipse.compare.internal.patch;
import java.io.*;
import org.eclipse.swt.graphics.Image;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.*;
import org.eclipse.compare.*;
/* package */ class PatchedResource implements ITypedElement, IStreamContentAccessor {
private Diff fDiff;
private IStreamContentAccessor fCurrent;
private IPath fPath;
private byte[] fContent;
private Patcher fPatcher;
/* package */ PatchedResource(IStreamContentAccessor current, Diff diff, IPath path, Patcher patcher) {
fDiff= diff;
fCurrent= current;
fPath= path;
fPatcher= patcher;
}
public InputStream getContents() throws CoreException {
if (fContent == null) {
InputStream is= null;
try {
is= fCurrent.getContents();
} catch (CoreException ex) {
is= new ByteArrayInputStream(new byte[0]);
}
if (is != null) {
try {
String encoding= ResourcesPlugin.getEncoding();
BufferedReader br= new BufferedReader(new InputStreamReader(is, encoding));
String s= fPatcher.patch(fDiff,br, null);
if (s != null)
fContent= s.getBytes(encoding);
} catch (UnsupportedEncodingException e) {
throw new CoreException(new Status(IStatus.ERROR, CompareUI.PLUGIN_ID, Platform.PLUGIN_ERROR, e.getMessage(), e));
}
try {
is.close();
} catch (IOException ex) {
}
}
}
return new ByteArrayInputStream(fContent);
}
public Image getImage() {
return CompareUI.getImage(getType());
}
public String getName() {
return fPath.toOSString();
}
public String getType() {
String type= fPath.getFileExtension();
if (type != null)
return type;
return ITypedElement.UNKNOWN_TYPE;
}
}
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