| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.xmlgraphics.xmp.merge; |
| |
| import org.apache.xmlgraphics.xmp.Metadata; |
| import org.apache.xmlgraphics.xmp.XMPProperty; |
| |
| /** |
| * A basic PropertyMerger which only sets a value in the target metadata if there's not already |
| * another value. |
| */ |
| public class NoReplacePropertyMerger implements PropertyMerger { |
| |
| /** |
| * @see org.apache.xmlgraphics.xmp.merge.PropertyMerger#merge( |
| * org.apache.xmlgraphics.xmp.XMPProperty, org.apache.xmlgraphics.xmp.Metadata) |
| */ |
| public void merge(XMPProperty sourceProp, Metadata target) { |
| XMPProperty prop = target.getProperty(sourceProp.getName()); |
| if (prop == null) { |
| target.setProperty(sourceProp); |
| } |
| } |
| |
| } |