/*
* 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.
*/
package org.apache.uima.fit.internal.propertyeditors;
import java.beans.PropertyEditor;
import java.beans.PropertyEditorSupport;
import org.springframework.beans.PropertyEditorRegistry;
import org.springframework.beans.PropertyEditorRegistrySupport;
/**
* INTERNAL API
*
* Custom property editor that tries to look convert and value to a string by checking if there is a
* registered property editor for the source value.
*/
public class GetAsTextStringEditor extends PropertyEditorSupport {
private final PropertyEditorRegistry editorRegistry;
private final PropertyEditorRegistrySupport editorRegistrySupport;
/**
* @param aEditorRegistry
* a property editor registry used to look up an editor for the source value.
*/
public GetAsTextStringEditor(final PropertyEditorRegistry aEditorRegistry) {
editorRegistry = aEditorRegistry;
if (aEditorRegistry instanceof PropertyEditorRegistrySupport) {
editorRegistrySupport = (PropertyEditorRegistrySupport) aEditorRegistry;
} else {
editorRegistrySupport = new PropertyEditorRegistrySupport();
}
}
@Override
public void setValue(Object value) {
if (value == null || value instanceof String) {
super.setValue(value);
} else {
PropertyEditor editor = editorRegistry.findCustomEditor(value.getClass(), null);
if (editor == null) {
editor = editorRegistrySupport.getDefaultEditor(value.getClass());
}
if (editor != null) {
editor.setValue(value);
super.setValue(editor.getAsText());
} else if (Enum.class.isAssignableFrom(value.getClass())) {
super.setValue(String.valueOf(value));
} else {
throw new IllegalArgumentException("Unable to convert " + value.getClass()
+ " to String. No PropertyEditor found.");
}
}
}
@Override
public void setAsText(String text) {
setValue(text);
}
@Override
public String getAsText() {
return (String) getValue();
}
}