1 files changed, 112 insertions, 0 deletions
diff --git a/bundles/org.eclipse.team.cvs.ui/src/org/eclipse/team/internal/ccvs/ui/CVSResourceTransfer.java b/bundles/org.eclipse.team.cvs.ui/src/org/eclipse/team/internal/ccvs/ui/CVSResourceTransfer.java
new file mode 100644
index 000000000..855c7b8e5
--- /dev/null
+++ b/bundles/org.eclipse.team.cvs.ui/src/org/eclipse/team/internal/ccvs/ui/CVSResourceTransfer.java
@@ -0,0 +1,112 @@
+/*******************************************************************************
+ * Copyright (c) 2004, 2006 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.team.internal.ccvs.ui;
+
+import java.io.*;
+
+import org.eclipse.swt.dnd.*;
+import org.eclipse.team.internal.ccvs.core.ICVSRemoteFile;
+import org.eclipse.team.internal.ccvs.core.ICVSRepositoryLocation;
+import org.eclipse.team.internal.ccvs.core.resources.RemoteFile;
+import org.eclipse.team.internal.ccvs.core.util.KnownRepositories;
+
+
+/**
+ * 
+ * @author Eugene Kuleshov
+ */
+public final class CVSResourceTransfer extends ByteArrayTransfer {
+    
+    public static final String TYPE_NAME = "CVS-resource-transfer-format"; //$NON-NLS-1$
+
+    public static int TYPE = registerType(TYPE_NAME);
+
+    private static CVSResourceTransfer instance = new CVSResourceTransfer();
+
+    
+    private CVSResourceTransfer() {
+    }
+
+    public static CVSResourceTransfer getInstance() {
+        return instance;
+    }
+
+    
+    protected int[] getTypeIds() {
+        return new int[] { TYPE };
+    }
+
+    protected String[] getTypeNames() {
+        return new String[] { TYPE_NAME };
+    }
+
+    
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.eclipse.swt.dnd.Transfer#javaToNative(java.lang.Object,org.eclipse.swt.dnd.TransferData)
+     */
+    public void javaToNative(Object object, TransferData transferData) {
+        if (!isSupportedType(transferData)) {
+            DND.error(DND.ERROR_INVALID_DATA);
+        }
+
+        final byte[] bytes = toByteArray((ICVSRemoteFile) object);
+        if (bytes != null) {
+            super.javaToNative(bytes, transferData);
+        }
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.eclipse.swt.dnd.Transfer#nativeToJava(org.eclipse.swt.dnd.TransferData)
+     */
+    protected Object nativeToJava(TransferData transferData) {
+        byte[] bytes = (byte[]) super.nativeToJava(transferData);
+        return fromByteArray(bytes);
+    }
+
+    
+    public Object fromByteArray(byte[] bytes) {
+        final DataInputStream in = new DataInputStream(new ByteArrayInputStream(bytes));
+
+        try {
+            String location = in.readUTF();
+            String filePath = in.readUTF();
+            String fileRevision = in.readUTF();
+            
+            ICVSRepositoryLocation repositoryLocation = KnownRepositories.getInstance().getRepository(location);
+            RemoteFile file = RemoteFile.create( filePath, repositoryLocation);
+            file.setRevision(fileRevision);
+            file.setReadOnly(true);
+            return file;
+        } catch (Exception ex) {
+            return null;
+        }
+    }
+
+    public byte[] toByteArray(ICVSRemoteFile file) {
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        DataOutputStream dos = new DataOutputStream(bos);
+        try {
+            dos.writeUTF(file.getRepository().getLocation(false));
+            dos.writeUTF(file.getRepositoryRelativePath());
+            dos.writeUTF(file.getRevision());
+            return bos.toByteArray();
+        } catch (Exception ex) {
+            // ex.printStackTrace();
+            return null;
+        }
+    }
+
+}