| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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.apache.opennlp.corpus_server.tools; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipOutputStream; |
| |
| import javax.ws.rs.core.MediaType; |
| |
| import com.sun.jersey.api.client.Client; |
| import com.sun.jersey.api.client.ClientResponse; |
| import com.sun.jersey.api.client.WebResource; |
| |
| /** |
| * Tools to back up a corpus from the corpus server into a zip package. |
| * |
| * Sample server address: http://localhost:8080/corpus-server/rest |
| */ |
| public class CorpusBackup { |
| |
| private static void copyStream(InputStream in, |
| OutputStream out) throws IOException { |
| |
| byte buffer[] = new byte[1024]; |
| int len; |
| while ((len = in.read(buffer)) > 0) { |
| out.write(buffer, 0, len); |
| } |
| } |
| |
| // TODO: Make query configurable, maybe user just wants to pull out |
| // some CAses into the zip package ... |
| |
| public static void main(String[] args) { |
| |
| if (args.length != 3) { |
| System.out.println("CorpusBackup address corpusName backupFile"); |
| System.exit(-1); |
| } |
| |
| Client c = Client.create(); |
| |
| WebResource r = c.resource(args[0] + "/queues"); |
| |
| String corpusId = args[1]; |
| String backupQueueId = args[1] + "BackupQueue"; |
| |
| ClientResponse createQueueResponse = r.path("_createTaskQueue") |
| .queryParam("corpusId", args[1]) |
| .queryParam("queueId", backupQueueId) |
| .queryParam("q", "*:*") |
| .accept(MediaType.TEXT_XML) |
| // TODO: How to fix this? Shouldn't accept do it? |
| .header("Content-Type", MediaType.TEXT_XML) |
| .post(ClientResponse.class); |
| |
| // zip file name ... |
| File backupFile = new File(args[2]); |
| |
| // create zip file |
| OutputStream backupOut = null; |
| |
| try { |
| backupOut = new FileOutputStream(backupFile); |
| ZipOutputStream zipPackageOut = new ZipOutputStream(backupOut); |
| |
| WebResource corpusWebResource = c.resource(args[0] + "/corpora/" + corpusId); |
| |
| // fetch ts, does it work like this!? |
| ClientResponse tsResponse = corpusWebResource |
| .path("_typesystem") |
| .accept(MediaType.TEXT_XML) |
| // TODO: How to fix this? Shouldn't accept do it? |
| .header("Content-Type", MediaType.TEXT_XML) |
| .get(ClientResponse.class); |
| |
| zipPackageOut.putNextEntry(new ZipEntry("TypeSystem.xml")); |
| InputStream tsIn = tsResponse.getEntityInputStream(); |
| |
| copyStream(tsIn, zipPackageOut); |
| tsIn.close(); |
| zipPackageOut.closeEntry(); |
| |
| // consume task queue |
| WebResource r2 = c.resource(args[0] + "/queues/" + backupQueueId); |
| |
| while (true) { |
| // TODO: Make query configurable ... |
| ClientResponse response2 = r2 |
| .path("_nextTask") |
| .queryParam("q", args[1]) |
| .accept(MediaType.APPLICATION_JSON) |
| .header("Content-Type", MediaType.TEXT_XML) |
| .get(ClientResponse.class); |
| |
| if (response2.getStatus() == ClientResponse.Status.NO_CONTENT.getStatusCode()) { |
| System.out.println("##### FINISHED #####"); |
| break; |
| } |
| |
| // check if response was ok ... |
| |
| String casId = response2.getEntity(String.class); |
| |
| ClientResponse casResponse = corpusWebResource |
| .path(casId) |
| .accept(MediaType.TEXT_XML) |
| .header("Content-Type", MediaType.TEXT_XML) |
| .get(ClientResponse.class); |
| |
| zipPackageOut.putNextEntry(new ZipEntry(casId)); |
| |
| InputStream casIn = casResponse.getEntityInputStream(); |
| |
| try { |
| copyStream(casIn, zipPackageOut); |
| } |
| finally { |
| try { |
| casIn.close(); |
| } |
| catch (IOException e) { |
| } |
| } |
| |
| zipPackageOut.closeEntry(); |
| |
| System.out.println(casId); |
| } |
| |
| zipPackageOut.close(); |
| } |
| catch (IOException e) { |
| e.printStackTrace(); |
| } |
| } |
| } |