Java tutorial
/* * ### * Phresco Framework * * Copyright (C) 1999 - 2012 Photon Infotech Inc. * * 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 com.photon.phresco.framework.validators; import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.util.ArrayList; import java.util.Collections; import java.util.List; import org.apache.commons.lang.StringUtils; import org.codehaus.plexus.util.DirectoryWalkListener; import org.codehaus.plexus.util.DirectoryWalker; import com.google.gson.Gson; import com.photon.phresco.exception.PhrescoException; import com.photon.phresco.framework.api.ValidationResult; import com.photon.phresco.framework.api.Validator; import com.photon.phresco.model.ProjectInfo; import com.photon.phresco.util.Utility; public class EnvironmentValidator implements Validator, DirectoryWalkListener { public List<String> invalidProjects = new ArrayList<String>(); public List<ValidationResult> validate(String ProjectCode) throws PhrescoException { List<ValidationResult> results = new ArrayList<ValidationResult>(16); String nodeJSHome = System.getenv("SONAR_HOME"); if (StringUtils.isEmpty(nodeJSHome)) { results.add(new ValidationResult(ValidationResult.Status.ERROR, "Environment variable SONAR_HOME is not set")); } else { File nodeJsHomeDir = new File(nodeJSHome); if (!nodeJsHomeDir.exists()) { results.add(new ValidationResult(ValidationResult.Status.ERROR, "SONAR_HOME " + nodeJSHome + " is incorrect")); } //TODO:Execute a system command for node ... and try to see if it works } List<String> invalidproj = validateProjectCode(); if (!invalidproj.isEmpty()) { results.add(new ValidationResult(ValidationResult.Status.ERROR, "projects " + invalidproj + " is incorrect")); } return results; } public List<String> validateProjectCode() { DirectoryWalker walker = new DirectoryWalker(); walker.setBaseDir(new File(Utility.getProjectHome())); walker.addDirectoryWalkListener(this); walker.scan(); return invalidProjects; } @Override public void directoryWalkStarting(File paramFile) { } @Override public void directoryWalkStep(int percentage, File file) { BufferedReader reader = null; Gson gson = new Gson(); try { if (file.getName().equals("project.info")) { reader = new BufferedReader(new FileReader(file)); String content = reader.readLine(); ProjectInfo projInfo = gson.fromJson(content, ProjectInfo.class); String code = projInfo.getCode(); if (!code.equals(file.getParentFile().getParentFile().getName())) { invalidProjects.add(code); } } } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } @Override public void directoryWalkFinished() { } @Override public void debug(String message) { } public List<String> getInvalidProjects() { return invalidProjects; } public List<String> getAppliesTo() throws PhrescoException { return Collections.EMPTY_LIST; } }