org.eclipse.rtp.httpdeployer.client.HttpDeployerClient.java Source code

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Here is the source code for org.eclipse.rtp.httpdeployer.client.HttpDeployerClient.java

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/*******************************************************************************
 * Copyright (c) 2011 Sebastian Schmidt and others. All rights reserved. This
 * program and the accompanying materials are made available under the terms of
 * the Eclipse Public License v1.0 which accompanies this distribution, and is
 * available at http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors: Sebastian Schmidt - initial API and implementation
 ******************************************************************************/
package org.eclipse.rtp.httpdeployer.client;

import java.io.File;
import java.io.IOException;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.multipart.FilePart;
import org.apache.commons.httpclient.methods.multipart.MultipartRequestEntity;
import org.apache.commons.httpclient.methods.multipart.Part;
import org.apache.commons.httpclient.methods.multipart.StringPart;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.output.XMLOutputter;

// TODO: move to own package
// TODO: remove Strings
// TODO: Test
public class HttpDeployerClient {
    public static final String FEATURE_GROUP_SUFFIX = ".feature.group";
    public static final String REPOSITORY_PATH = "/repository"; //$NON-NLS-N$
    public static final String BUNDLE_PATH = "/bundle"; //$NON-NLS-N$
    public static final String FEATURE_PATH = "/feature"; //$NON-NLS-N$

    private final String serviceUri;
    private final HttpClient client;

    public HttpDeployerClient(String serviceUri) {
        // strip last /
        if (serviceUri.endsWith("/")) {
            serviceUri = serviceUri.substring(0, serviceUri.length() - 1);
        }
        this.serviceUri = serviceUri;
        client = new HttpClient();
    }

    public void installFeature(File repository, String id, String version) throws HttpException, IOException {
        deleteFeature(id, version);

        PostMethod method = new PostMethod(serviceUri + FEATURE_PATH);
        XMLOutputter outputter = new XMLOutputter();
        String featureInstall = outputter.outputString(getFeatureOperation(id, version));

        Part[] parts = new Part[] { new FilePart("repository", repository),
                new StringPart("feature", featureInstall) };
        MultipartRequestEntity entity = new MultipartRequestEntity(parts, method.getParams());
        method.setRequestEntity(entity);

        executeMethod(method);
    }

    private Document getFeatureOperation(String id, String version) {
        Document document = new Document();
        Element features = new Element("features");
        Element featureXml = new Element("feature");
        featureXml.addContent(new Element("name").addContent(id + FEATURE_GROUP_SUFFIX));
        featureXml.addContent(new Element("version").addContent(version));
        features.addContent(featureXml);
        document.setRootElement(features);

        return document;
    }

    public void uploadRepository(File repository) throws HttpException, IOException {
        PostMethod method = new PostMethod(serviceUri + REPOSITORY_PATH);
        Part[] parts = new Part[] { new FilePart("repository", repository) };
        MultipartRequestEntity entity = new MultipartRequestEntity(parts, method.getParams());
        method.setRequestEntity(entity);

        executeMethod(method);
    }

    public void installFeature(String id, String version) throws IOException {
        PostMethod post = new PostMethod(serviceUri + FEATURE_PATH);
        DeleteMethodRequestEntity delete = new DeleteMethodRequestEntity(serviceUri + FEATURE_PATH);
        Document document = getFeatureOperation(id, version);
        delete.setRequestEntity(new JdomRequestEntity(document));
        post.setRequestEntity(new JdomRequestEntity(document));

        executeMethod(delete);
        executeMethod(post);
    }

    public void deleteFeature(String id, String version) throws IOException {
        DeleteMethodRequestEntity delete = new DeleteMethodRequestEntity(serviceUri + FEATURE_PATH);
        Document document = getFeatureOperation(id, version);
        delete.setRequestEntity(new JdomRequestEntity(document));

        executeMethod(delete);
    }

    private void executeMethod(HttpMethod method) throws IOException {
        int result = client.executeMethod(method);
        if (result > 299) {
            throw new HttpException("invalid response code: HTTP " + result);
        }
    }

    public void startPlugin(String id, String version) throws IOException {
        PostMethod post = new PostMethod(serviceUri + BUNDLE_PATH);
        Document document = new Document();
        Element features = new Element("bundles");
        Element featureXml = new Element("bundle");
        featureXml.addContent(new Element("name").addContent(id));
        featureXml.addContent(new Element("version").addContent(version));
        features.addContent(featureXml);
        document.setRootElement(features);
        post.setRequestEntity(new JdomRequestEntity(document));

        executeMethod(post);
    }

    // TODO: extend, move to own project
}