org.sonar.ide.test.TestServlet.java Source code

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Here is the source code for org.sonar.ide.test.TestServlet.java

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/*
 * Sonar, open source software quality management tool.
 * Copyright (C) 2010 SonarSource
 * mailto:contact AT sonarsource DOT com
 *
 * Sonar is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * Sonar 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Sonar; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
 */

package org.sonar.ide.test;

import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;

import javax.servlet.GenericServlet;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * @author Evgeny Mandrikov
 */
public abstract class TestServlet extends GenericServlet {

    private static final String DEFAULT_PACKAGE_NAME = "[default]";
    private static final String PROJECT_RESOURCE_NAME = "PROJECT";

    protected abstract String getResource(String classKey);

    protected File getResourceAsFile(String testName, String classKey) {
        return new File(getBaseDir(this) + "/" + testName + "/" + getResource(classKey));
    }

    @Override
    public void service(ServletRequest request, ServletResponse response) throws ServletException, IOException {
        PrintWriter out = response.getWriter();
        String json;
        try {
            String resourceKey = request.getParameter("resource");
            String[] parts = resourceKey.split(":");
            switch (parts.length) {
            case 2:
                json = loadProjectData(parts[0], parts[1]);
                break;
            case 3:
                json = loadFileData(parts[0], parts[1], parts[2]);
                break;
            default:
                json = "[]";
                break;
            }
        } catch (Exception e) {
            SonarTestServer.LOG.error(e.getMessage(), e);
            json = "[]";
        }
        out.println(json);
    }

    public static String getBaseDir(GenericServlet servlet) {
        return StringUtils.defaultIfEmpty(servlet.getServletConfig().getInitParameter("baseDir"),
                "target/sonar-data");
    }

    protected String loadFileData(String groupId, String artifactId, String classKey) throws IOException {
        SonarTestServer.LOG.debug("Loading data for {}:{}:{} file", new Object[] { groupId, artifactId, classKey });
        if (classKey.startsWith(DEFAULT_PACKAGE_NAME)) {
            classKey = StringUtils.substringAfter(classKey, ".");
        }
        String testName;
        if (StringUtils.contains(groupId, ".")) {
            testName = StringUtils.substringAfterLast(groupId, ".");
        } else {
            testName = groupId;
        }
        File resourceFile = getResourceAsFile(testName, classKey);
        SonarTestServer.LOG.info("Resource file: {}", resourceFile);
        return FileUtils.readFileToString(resourceFile);
    }

    protected String loadProjectData(String groupId, String artifactId) throws IOException {
        SonarTestServer.LOG.debug("Loading data for {}:{} project", new Object[] { groupId, artifactId });

        // Calculate the test name
        String testName;
        if (StringUtils.contains(groupId, ".")) {
            testName = StringUtils.substringAfterLast(groupId, ".");
        } else {
            testName = groupId;
        }

        // Calculate the resource name
        String resourceName;
        if (testName.equals(artifactId)) {
            // Simple test project.
            resourceName = PROJECT_RESOURCE_NAME;
        } else {
            // Multi-modules test project.
            resourceName = PROJECT_RESOURCE_NAME + "_" + artifactId;
        }

        // Load resource data file.
        File resourceFile = getResourceAsFile(testName, resourceName);
        if (resourceFile.isFile() && resourceFile.canRead()) {
            SonarTestServer.LOG.info("Resource file: {}", resourceFile);
            return FileUtils.readFileToString(resourceFile);
        } else {
            SonarTestServer.LOG.info("Resource file not exist : {}", resourceFile);
            return "[]";
        }
    }
}