// Copyright 2006 The Apache Software Foundation | |
// | |
// Licensed 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. | |
package org.apache.tapestry5.internal.services; | |
import org.apache.tapestry5.ioc.internal.util.CollectionFactory; | |
import org.apache.tapestry5.services.PersistentFieldBundle; | |
import org.apache.tapestry5.services.PersistentFieldChange; | |
import java.util.Collection; | |
import java.util.Map; | |
public class PersistentFieldBundleImpl implements PersistentFieldBundle | |
{ | |
/** | |
* Keyed on componentId + fieldName. | |
*/ | |
private final Map<String, Object> values = CollectionFactory.newMap(); | |
public PersistentFieldBundleImpl(Collection<PersistentFieldChange> changes) | |
{ | |
for (PersistentFieldChange change : changes) | |
{ | |
String key = buildKey(change.getComponentId(), change.getFieldName()); | |
values.put(key, change.getValue()); | |
} | |
} | |
private String buildKey(String componentId, String fieldName) | |
{ | |
StringBuilder builder = new StringBuilder(); | |
if (componentId != null) builder.append(componentId); | |
builder.append(':'); | |
builder.append(fieldName); | |
return builder.toString(); | |
} | |
public boolean containsValue(String componentId, String fieldName) | |
{ | |
String key = buildKey(componentId, fieldName); | |
return values.containsKey(key); | |
} | |
public Object getValue(String componentId, String fieldName) | |
{ | |
String key = buildKey(componentId, fieldName); | |
return values.get(key); | |
} | |
} |