org.jboss.errai.enterprise.client.jaxrs.api.RequestHolder.java Source code

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Here is the source code for org.jboss.errai.enterprise.client.jaxrs.api.RequestHolder.java

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/*
 * Copyright (C) 2014 Red Hat, Inc. and/or its affiliates.
 *
 * 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.jboss.errai.enterprise.client.jaxrs.api;

import com.google.gwt.http.client.Request;

/**
 * Default implementation of {@link RequestCallback} that allows the
 * cancellation of pending {@link Request}s.
 */
public class RequestHolder implements RequestCallback {

    private Request request;

    @Override
    public void callback(Request request) {
        this.request = request;
    }

    /**
     * @return the {@link Request} or null if request has failed.
     */
    public Request getRequest() {
        return request;
    }

    /**
     * @return true if request has been initiated and is waiting for a response.
     */
    public boolean isAlive() {
        return request != null && request.isPending();
    }
}