/*
* Copyright 2004-2008 the original author or authors.
*
* 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.springframework.binding.convert.converters;
public abstract class StringToObject implements TwoWayConverter {
private Class objectClass;
public StringToObject(Class objectClass) {
this.objectClass = objectClass;
}
public final Class getSourceClass() {
return String.class;
}
public final Class getTargetClass() {
return objectClass;
}
public final Object convertSourceToTargetClass(Object source, Class targetClass) throws Exception {
String string = (String) source;
if (string != null && string.length() > 0) {
return toObject(string, targetClass);
} else {
return null;
}
}
public final Object convertTargetToSourceClass(Object target, Class sourceClass) throws Exception {
if (target != null) {
return toString(target);
} else {
return "";
}
}
protected abstract Object toObject(String string, Class targetClass) throws Exception;
protected abstract String toString(Object object) throws Exception;
}
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