org.piraso.client.net.HttpPirasoTestHandler.java Source code

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Here is the source code for org.piraso.client.net.HttpPirasoTestHandler.java

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/*
 * Copyright (c) 2012. Piraso Alvin R. de Leon. All Rights Reserved.
 *
 * See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The Piraso 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.piraso.client.net;

import org.piraso.api.JacksonUtils;
import org.apache.commons.lang.Validate;
import org.apache.http.*;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HttpContext;
import org.apache.http.util.EntityUtils;
import org.codehaus.jackson.map.ObjectMapper;
import org.xml.sax.SAXException;

import javax.xml.parsers.ParserConfigurationException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import static org.piraso.api.PirasoConstants.*;

/**
 * Create test handler
 */
public class HttpPirasoTestHandler extends AbstractHttpHandler {

    private ObjectMapper mapper;

    private HttpEntity responseEntity;

    private Status status;

    public HttpPirasoTestHandler(HttpClient client, HttpContext context) {
        super(client, context);

        this.mapper = JacksonUtils.MAPPER;
    }

    @Override
    public void execute() throws IOException, SAXException, ParserConfigurationException {
        try {
            doExecute();
        } finally {
            EntityUtils.consume(responseEntity);
        }
    }

    private void doExecute() throws IOException, SAXException, ParserConfigurationException {
        Validate.notNull(uri, "uri should not be null.");

        HttpPost post = new HttpPost(uri.getPath());

        List<NameValuePair> params = new ArrayList<NameValuePair>();
        params.add(new BasicNameValuePair(SERVICE_PARAMETER, SERVICE_TEST_PARAMETER_VALUE));

        post.setEntity(new UrlEncodedFormEntity(params, ENCODING_UTF_8));

        HttpResponse response = client.execute(targetHost, post, context);
        StatusLine status = response.getStatusLine();

        if (status.getStatusCode() != HttpStatus.SC_OK) {
            throw new HttpPirasoException(status.toString());
        }

        responseEntity = response.getEntity();
        String contentType = responseEntity.getContentType().getValue().toLowerCase();

        if (!contentType.contains(JSON_CONTENT_TYPE)) {
            throw new HttpPirasoException("Invalid response content type: " + responseEntity.getContentType());
        }

        this.status = mapper.readValue(responseEntity.getContent(), Status.class);
    }

    public boolean isSuccess() {
        return status != null && STATUS_OK.equals(status.getStatus());
    }

    public boolean isBridgetSupported() {
        return isSuccess() && status.isBridgeSupported();
    }

    public static class Status {
        private String status;

        private String version;

        private boolean bridgeSupported;

        public boolean isBridgeSupported() {
            return bridgeSupported;
        }

        public void setBridgeSupported(boolean bridgeSupported) {
            this.bridgeSupported = bridgeSupported;
        }

        public String getStatus() {
            return status;
        }

        public void setStatus(String status) {
            this.status = status;
        }

        public String getVersion() {
            return version;
        }

        public void setVersion(String version) {
            this.version = version;
        }
    }
}