1 files changed, 79 insertions, 0 deletions
diff --git a/bundles/org.eclipse.compare/compare/org/eclipse/compare/HistoryItem.java b/bundles/org.eclipse.compare/compare/org/eclipse/compare/HistoryItem.java
new file mode 100644
index 000000000..898d8bdc1
--- /dev/null
+++ b/bundles/org.eclipse.compare/compare/org/eclipse/compare/HistoryItem.java
@@ -0,0 +1,79 @@
+/*
+ * Licensed Materials - Property of IBM,
+ * WebSphere Studio Workbench
+ * (c) Copyright IBM Corp 2001
+ */
+package org.eclipse.compare;
+
+import java.io.InputStream;
+
+import org.eclipse.swt.graphics.Image;
+
+import org.eclipse.core.resources.IFileState;
+import org.eclipse.core.runtime.CoreException;
+
+import org.eclipse.compare.*;
+
+/**
+ * A combination <code>IFileState</code> and <code>ITypedElement</code> that can be used as
+ * an input to a compare viewer or other places where an <code>IStreamContentAccessor</code>
+ * is needed.
+ * <p>
+ * <p>
+ * Clients may instantiate this class; it is not intended to be subclassed.
+ * </p>
+ */
+public class HistoryItem implements IStreamContentAccessor, ITypedElement, IModificationDate {
+	
+	private ITypedElement fBase;
+	private IFileState fFileState; 
+
+	/**
+	 * Creates a <code>HistoryItem</code> object which combines the given <code>IFileState</code>
+	 * and <code>ITypedElement</code> into an object
+	 * which is suitable as input for a compare viewer or <code>ReplaceWithEditionDialog</code>.
+	 *
+	 * @param base the implementation of the <code>ITypedElement</code> interface delegates to this base <code>ITypedElement</code>
+	 * @param fileState the <code>IFileState</code> 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 fFileState.getContents();
+	}
+}
+