DelegatingErrorCallback.java

/*
 * Copyright 2013 JBoss Inc
 *
 * 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.overlord.dtgov.ui.client.local.services.rpc;

import org.jboss.errai.bus.client.api.messaging.Message;
import org.jboss.errai.common.client.api.ErrorCallback;

/**
 * Reusable error callback that bridges the gap between the Errai
 * RPC mechanism and the {@link IRpcServiceInvocationHandler}.
 *
 * @author eric.wittmann@redhat.com
 */
public class DelegatingErrorCallback implements ErrorCallback<Message> {

    private IRpcServiceInvocationHandler<?> handler;

    /**
     * Constructor.
     * @param handler
     */
    public DelegatingErrorCallback(IRpcServiceInvocationHandler<?> handler) {
        this.handler = handler;
    }

    /**
     * @see org.jboss.errai.common.client.api.ErrorCallback#error(java.lang.Object, java.lang.Throwable)
     */
    @Override
    public boolean error(Message message, Throwable throwable) {
        this.handler.onError(throwable);
        return false;
    }

}