jodd.bean.BeanWalker Maven / Gradle / Ivy
// Copyright (c) 2003-present, Jodd Team (http://jodd.org)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
package jodd.bean;
import java.util.Map;
/**
* Walker over bean properties.
*/
public class BeanWalker extends BeanVisitorImplBase {
private final BeanWalkerCallback callback;
/**
* Functional callback for walking.
*/
public interface BeanWalkerCallback {
void visitProperty(String name, Object value);
}
public BeanWalker(BeanWalkerCallback callback) {
this.callback = callback;
}
/**
* Static ctor.
*/
public static BeanWalker walk(BeanWalkerCallback callback) {
return new BeanWalker(callback);
}
public void source(Object source) {
this.source = source;
isSourceMap = (source instanceof Map);
visit();
}
public void bean(Object bean) {
this.source = bean;
visit();
}
public void map(Map map) {
this.source = map;
this.isSourceMap = true;
visit();
}
@Override
protected boolean visitProperty(String name, Object value) {
callback.visitProperty(name, value);
return true;
}
}