dk.i2m.drupal.resource.NodeResource.java Source code

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Here is the source code for dk.i2m.drupal.resource.NodeResource.java

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/*
 * Copyright (C) 2012 Interactive Media Management
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package dk.i2m.drupal.resource;

import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import dk.i2m.drupal.core.AbstractResourceCRUD;
import dk.i2m.drupal.core.DrupalClient;
import dk.i2m.drupal.message.FileMessage;
import dk.i2m.drupal.message.NodeMessage;
import dk.i2m.drupal.util.URLBuilder;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import org.apache.http.client.HttpResponseException;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.impl.client.BasicResponseHandler;

/**
 * @author Raymond Wanyoike <rwa at i2m.dk>
 */
public class NodeResource extends AbstractResourceCRUD {

    public NodeResource(DrupalClient dc) {
        super(dc);
    }

    public NodeMessage create(UrlEncodedFormEntity uefe) throws HttpResponseException, IOException {
        URLBuilder builder = new URLBuilder(getDc().getHostname());
        builder.add(getDc().getEndpoint());
        builder.add(getAlias());

        HttpPost method = new HttpPost(builder.toURI());
        method.setEntity(uefe);

        ResponseHandler<String> handler = new BasicResponseHandler();
        String response = getDc().getHttpClient().execute(method, handler);

        return new Gson().fromJson(response, NodeMessage.class);
    }

    public NodeMessage retrieve(Long id) throws HttpResponseException, IOException {
        URLBuilder builder = new URLBuilder(getDc().getHostname());
        builder.add(getDc().getEndpoint());
        builder.add(getAlias());
        builder.add(id);

        HttpGet method = new HttpGet(builder.toURI());

        ResponseHandler<String> handler = new BasicResponseHandler();
        String response = getDc().getHttpClient().execute(method, handler);

        return new Gson().fromJson(response, NodeMessage.class);
    }

    public NodeMessage update(Long id, UrlEncodedFormEntity uefe) throws HttpResponseException, IOException {
        URLBuilder builder = new URLBuilder(getDc().getHostname());
        builder.add(getDc().getEndpoint());
        builder.add(getAlias());
        builder.add(id);

        HttpPut method = new HttpPut(builder.toURI());
        method.setEntity(uefe);

        ResponseHandler<String> handler = new BasicResponseHandler();
        String response = getDc().getHttpClient().execute(method, handler);

        return new Gson().fromJson(response, NodeMessage.class);
    }

    public boolean delete(Long id) throws HttpResponseException, IOException {
        URLBuilder builder = new URLBuilder(getDc().getHostname());
        builder.add(getDc().getEndpoint());
        builder.add(getAlias());
        builder.add(id);

        HttpDelete method = new HttpDelete(builder.toURI());

        ResponseHandler<String> handler = new BasicResponseHandler();
        String response = getDc().getHttpClient().execute(method, handler);

        return Boolean.valueOf(response);
    }

    public List<NodeMessage> index(Map<Object, Object> params) throws HttpResponseException, IOException {
        URLBuilder builder = new URLBuilder(getDc().getHostname());
        builder.add(getDc().getEndpoint());
        builder.add(getAlias());
        builder.addQuery(params);

        HttpGet method = new HttpGet(builder.toURI());

        ResponseHandler<String> handler = new BasicResponseHandler();
        String response = getDc().getHttpClient().execute(method, handler);

        return new Gson().fromJson(response, new TypeToken<List<NodeMessage>>() {
        }.getType());
    }

    public List<FileMessage> loadFiles(Long id) throws HttpResponseException, IOException {
        URLBuilder builder = new URLBuilder(getDc().getHostname());
        builder.add(getDc().getEndpoint());
        builder.add(getAlias());
        builder.add(id);
        builder.add("files");
        // Do not return the file contents (saves bandwidth)
        builder.add(0);

        HttpGet method = new HttpGet(builder.toURI());

        ResponseHandler<String> handler = new BasicResponseHandler();
        String response = getDc().getHttpClient().execute(method, handler);

        return new Gson().fromJson(response, new TypeToken<List<FileMessage>>() {
        }.getType());
    }

    @Override
    public String getAlias() {
        return "node";
    }
}