Java tutorial
/* Copyright (C) 2015 "JOANNEUM RESEARCH Forschungsgesellschaft mbH" Graz, Austria, digital-iis@joanneum.at. 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 eu.eexcess.partnerwizard.webservice; import java.io.BufferedReader; import java.io.DataOutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.nio.charset.Charset; import java.nio.charset.StandardCharsets; import java.nio.file.Files; import java.nio.file.Paths; import java.nio.file.StandardCopyOption; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.logging.Logger; import javax.servlet.ServletContext; import javax.ws.rs.Consumes; import javax.ws.rs.GET; import javax.ws.rs.POST; import javax.ws.rs.Path; import javax.ws.rs.Produces; import javax.ws.rs.WebApplicationException; import javax.ws.rs.core.Context; import javax.ws.rs.core.MediaType; import javax.ws.rs.core.Response; import com.fasterxml.jackson.databind.ObjectMapper; import com.sun.jersey.spi.resource.Singleton; import eu.eexcess.config.PartnerConfiguration; import eu.eexcess.partnerrecommender.Bean; @Path("/wizard") @Singleton public class WizardRESTService { public static final String URL_PATTERN = "/wizard/updateConfigAndDeploy"; private final static Logger LOGGER = Logger.getLogger(ProbeService.class.getName()); @Context private ServletContext context; private final ObjectMapper mapper = new ObjectMapper(); @GET @Path("ping") @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML }) public String queries() { LOGGER.info("Service wizard: ping called...."); return ""; } @POST @Path("updateConfigAndDeploy") @Consumes({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML }) @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML }) public boolean updateConfigAndDeploy(PartnerConfiguration config) { LOGGER.info("REST wizard/updateConfigAndDeploy called"); if (config == null) { throw new WebApplicationException(Response.Status.BAD_REQUEST); } LOGGER.info("REST wizard/updateConfigAndDeploy config:\n" + config.toString()); if (config.getTransformerClass() != null && !config.getTransformerClass().isEmpty()) { String artifactId = config.getTransformerClass(); artifactId = artifactId.substring(artifactId.lastIndexOf(".") + 1); artifactId = artifactId.replace("Transformer", ""); String copyTargetPath = Bean.PATH_BUILD_SANDBOX + artifactId + "\\src\\main\\resources\\"; String dateString = new SimpleDateFormat("yyyyMMdd_HHmmss").format(Calendar.getInstance().getTime()); LOGGER.info("artifactId:" + artifactId); LOGGER.info("copyTargetPath:" + copyTargetPath); // backup old config Charset charset = StandardCharsets.UTF_8; try { Files.copy( Paths.get(copyTargetPath + "partner-config.json"), Paths.get(Bean.PATH_BUILD_SANDBOX + artifactId + "-" + dateString + ".old.partner-config.json"), StandardCopyOption.REPLACE_EXISTING); } catch (IOException e) { e.printStackTrace(); } // neues config reinkopieren try { String newFile = mapper.writeValueAsString(config); Files.write(Paths.get(copyTargetPath + "partner-config.json"), newFile.getBytes(charset)); } catch (IOException e) { e.printStackTrace(); } // new config saving try { String newFile = mapper.writeValueAsString(config); Files.write( Paths.get(Bean.PATH_BUILD_SANDBOX + artifactId + "-" + dateString + ".partner-config.json"), newFile.getBytes(charset)); } catch (IOException e) { e.printStackTrace(); } // build new version ArrayList<String> commands = new ArrayList<String>(); commands.add("cd " + Bean.PATH_BUILD_SANDBOX); commands.add("cd " + artifactId); commands.add("mvn install -DskipTests"); commands.add("cd target"); String warName = "eexcess-partner-" + artifactId + "-*"; commands.add("del %TOMCAT%webapps\\" + warName + "*.war"); commands.add("rd /S /Q %TOMCAT%webapps\\" + warName); commands.add("xcopy " + warName + ".war %TOMCAT%webapps\\ /Y"); this.cmdExecute(commands); } return true; } public String cmdExecute(ArrayList<String> commands) { Process shell = null; DataOutputStream out = null; BufferedReader in = null; StringBuilder processOutput = new StringBuilder(); processOutput.append(new SimpleDateFormat("yyyyMMdd_HHmmss").format(Calendar.getInstance().getTime())) .append("\n"); try { shell = Runtime.getRuntime().exec("cmd");//su if needed out = new DataOutputStream(shell.getOutputStream()); in = new BufferedReader(new InputStreamReader(shell.getInputStream())); // Executing commands for (String command : commands) { LOGGER.info("executing:\n" + command); out.writeBytes(command + "\n"); out.flush(); } out.writeBytes("exit\n"); out.flush(); String line; while ((line = in.readLine()) != null) { processOutput.append(line).append("\n"); } //LOGGER.info("result:\n" + processOutput); processOutput.append(new SimpleDateFormat("yyyyMMdd_HHmmss").format(Calendar.getInstance().getTime())) .append("\n"); String output = processOutput.toString(); shell.waitFor(); LOGGER.info(processOutput.toString()); LOGGER.info("finished!"); return output; } catch (Exception e) { } finally { try { if (out != null) { out.close(); } if (in != null) { in.close(); } // shell.destroy(); } catch (Exception e) { // hopeless } } return ""; } }