/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved.
*/
package org.eclipse.compare;
import java.io.InputStream;
import java.io.BufferedInputStream;
import org.eclipse.swt.graphics.Image;
import org.eclipse.core.resources.IFileState;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.compare.*;
/**
* A combination IFileState
and ITypedElement
that can be used as
* an input to a compare viewer or other places where an IStreamContentAccessor
* is needed.
*
*
* Clients may instantiate this class; it is not intended to be subclassed. *
*/ public class HistoryItem implements IStreamContentAccessor, ITypedElement, IModificationDate { private ITypedElement fBase; private IFileState fFileState; /** * Creates aHistoryItem
object which combines the given IFileState
* and ITypedElement
into an object
* which is suitable as input for a compare viewer or ReplaceWithEditionDialog
.
*
* @param base the implementation of the ITypedElement
interface delegates to this base ITypedElement
* @param fileState the IFileState
from which the streamable contents and the modification time is derived from
*/
public HistoryItem(ITypedElement base, IFileState fileState) {
fBase= base;
fFileState= fileState;
}
/* (non-Javadoc)
* see ITypedElement.getName
*/
public String getName() {
return fBase.getName();
}
/* (non-Javadoc)
* see ITypedElement.getImage
*/
public Image getImage() {
return fBase.getImage();
}
/* (non-Javadoc)
* see ITypedElement.getType
*/
public String getType() {
return fBase.getType();
}
/* (non-Javadoc)
* see IModificationDate.getModificationDate
*/
public long getModificationDate() {
return fFileState.getModificationTime();
}
/* (non-Javadoc)
* see IStreamContentAccessor.getContents
*/
public InputStream getContents() throws CoreException {
return new BufferedInputStream(fFileState.getContents());
}
}