Example usage for org.apache.commons.lang SystemUtils JAVA_VERSION

Introduction

In this page you can find the example usage for org.apache.commons.lang SystemUtils JAVA_VERSION_TRIMMED.

Prototype

String JAVA_VERSION_TRIMMED

To view the source code for org.apache.commons.lang SystemUtils JAVA_VERSION_TRIMMED.

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Document

Gets the Java version as a String trimming leading letters.

The field will return null if #JAVA_VERSION is null.

Usage

From source file:org.apache.maven.plugins.enforcer.DisplayInfoMojo.java

/**
 * Entry point to the mojo//w  w w . j  av  a2 s  .c o m
 */
public void execute() throws MojoExecutionException {
    try {
        EnforcerExpressionEvaluator evaluator = new EnforcerExpressionEvaluator(session, translator, project);
        DefaultEnforcementRuleHelper helper = new DefaultEnforcementRuleHelper(session, evaluator, getLog(),
                container);
        RuntimeInformation rti = (RuntimeInformation) helper.getComponent(RuntimeInformation.class);
        getLog().info("Maven Version: " + rti.getApplicationVersion());
        getLog().info("JDK Version: " + SystemUtils.JAVA_VERSION + " normalized as: "
                + RequireJavaVersion.normalizeJDKVersion(SystemUtils.JAVA_VERSION_TRIMMED));
        RequireOS os = new RequireOS();
        os.displayOSInfo(getLog(), true);
    } catch (ComponentLookupException e) {
        getLog().warn("Unable to Lookup component: " + e.getLocalizedMessage());
    }
}

From source file:org.apache.maven.plugins.enforcer.RequireJavaVersion.java

public void execute(EnforcerRuleHelper helper) throws EnforcerRuleException {
    String java_version = SystemUtils.JAVA_VERSION_TRIMMED;
    Log log = helper.getLog();//from w w  w.  j a  v  a 2 s. c  o m

    log.debug("Detected Java String: " + java_version);
    java_version = normalizeJDKVersion(java_version);
    log.debug("Normalized Java String: " + java_version);

    ArtifactVersion detectedJdkVersion = new DefaultArtifactVersion(java_version);

    log.debug("Parsed Version: Major: " + detectedJdkVersion.getMajorVersion() + " Minor: "
            + detectedJdkVersion.getMinorVersion() + " Incremental: "
            + detectedJdkVersion.getIncrementalVersion() + " Build: " + detectedJdkVersion.getBuildNumber()
            + " Qualifier: " + detectedJdkVersion.getQualifier());

    enforceVersion(helper.getLog(), "JDK", version, detectedJdkVersion);
}

From source file:org.apache.maven.plugins.enforcer.TestMavenVersion.java

/**
 * Test rule.//from  w  ww. j  a v  a2 s . c om
 *
 * @throws EnforcerRuleException the enforcer rule exception
 */
public void testRule() throws EnforcerRuleException {

    RequireMavenVersion rule = new RequireMavenVersion();
    rule.setVersion("2.0.5");

    EnforcerRuleHelper helper = EnforcerTestUtils.getHelper();

    // test the singular version
    rule.execute(helper);

    // exclude this version
    rule.setVersion("(2.0.5");

    try {
        rule.execute(helper);
        fail("Expected an exception.");
    } catch (EnforcerRuleException e) {
        // expected to catch this.
    }

    // this shouldn't crash
    rule.setVersion(SystemUtils.JAVA_VERSION_TRIMMED);
    rule.execute(helper);

}

From source file:org.apache.maven.plugins.enforcer.TestRequireJavaVersion.java

/**
 * Test rule./*from w w  w. java 2  s.  c om*/
 *
 * @throws EnforcerRuleException the enforcer rule exception
 */
public void testRule() throws EnforcerRuleException {
    String thisVersion = RequireJavaVersion.normalizeJDKVersion(SystemUtils.JAVA_VERSION_TRIMMED);

    RequireJavaVersion rule = new RequireJavaVersion();
    rule.setVersion(thisVersion);

    EnforcerRuleHelper helper = EnforcerTestUtils.getHelper();

    // test the singular version
    rule.execute(helper);

    // exclude this version
    rule.setVersion("(" + thisVersion);

    try {
        rule.execute(helper);
        fail("Expected an exception.");
    } catch (EnforcerRuleException e) {
        // expected to catch this.
    }

    // this shouldn't crash
    rule.setVersion(SystemUtils.JAVA_VERSION_TRIMMED);
    rule.execute(helper);

}

From source file:org.sonar.core.platform.PluginLoader.java

/**
 * Instantiates collection of {@link org.sonar.api.Plugin} according to given metadata and classloaders
 *
 * @return the instances grouped by plugin key
 * @throws IllegalStateException if at least one plugin can't be correctly loaded
 */// www  .  j a  v  a 2 s.c  om
@VisibleForTesting
Map<String, Plugin> instantiatePluginClasses(Map<PluginClassLoaderDef, ClassLoader> classloaders) {
    // instantiate plugins
    Map<String, Plugin> instancesByPluginKey = new HashMap<>();
    for (Map.Entry<PluginClassLoaderDef, ClassLoader> entry : classloaders.entrySet()) {
        PluginClassLoaderDef def = entry.getKey();
        ClassLoader classLoader = entry.getValue();

        // the same classloader can be used by multiple plugins
        for (Map.Entry<String, String> mainClassEntry : def.getMainClassesByPluginKey().entrySet()) {
            String pluginKey = mainClassEntry.getKey();
            String mainClass = mainClassEntry.getValue();
            try {
                instancesByPluginKey.put(pluginKey, (Plugin) classLoader.loadClass(mainClass).newInstance());
            } catch (UnsupportedClassVersionError e) {
                throw new IllegalStateException(String.format("The plugin [%s] does not support Java %s",
                        pluginKey, SystemUtils.JAVA_VERSION_TRIMMED), e);
            } catch (Throwable e) {
                throw new IllegalStateException(
                        String.format("Fail to instantiate class [%s] of plugin [%s]", mainClass, pluginKey),
                        e);
            }
        }
    }
    return instancesByPluginKey;
}

From source file:org.sonar.core.plugins.PluginClassloaders.java

public ClassLoader add(PluginMetadata plugin) {
    if (done) {/*from w  w  w  .  j a v  a2 s .  c  om*/
        throw new IllegalStateException("Plugin classloaders are already initialized");
    }
    try {
        List<URL> resources = Lists.newArrayList();
        List<URL> others = Lists.newArrayList();
        for (File file : plugin.getDeployedFiles()) {
            if (isResource(file)) {
                resources.add(file.toURI().toURL());
            } else {
                others.add(file.toURI().toURL());
            }
        }
        ClassLoader parent;
        if (resources.isEmpty()) {
            parent = baseClassloader;
        } else {
            parent = new ResourcesClassloader(resources, baseClassloader);
        }
        final ClassRealm realm;
        if (plugin.isUseChildFirstClassLoader()) {
            ClassRealm parentRealm = world.newRealm(plugin.getKey() + "-parent", parent);
            realm = parentRealm.createChildRealm(plugin.getKey());
        } else {
            realm = world.newRealm(plugin.getKey(), parent);
        }
        for (URL url : others) {
            realm.addURL(url);
        }
        return realm;
    } catch (UnsupportedClassVersionError e) {
        throw new SonarException("The plugin " + plugin.getKey() + " is not supported with Java "
                + SystemUtils.JAVA_VERSION_TRIMMED, e);

    } catch (Throwable e) {
        throw new SonarException("Fail to build the classloader of " + plugin.getKey(), e);
    }
}

From source file:org.sonar.core.plugins.PluginClassloaders.java

public boolean extend(PluginMetadata plugin) {
    if (done) {/*from  ww w. j av  a2 s  . c  o  m*/
        throw new IllegalStateException("Plugin classloaders are already initialized");
    }
    try {
        ClassRealm base = world.getRealm(plugin.getBasePlugin());
        if (base == null) {
            // Ignored, because base plugin is not installed
            LOG.warn("Plugin " + plugin.getKey() + " is ignored because base plugin is not installed: "
                    + plugin.getBasePlugin());
            return false;
        }
        // we create new realm to be able to return it by key without conversion to baseKey
        base.createChildRealm(plugin.getKey());
        for (File file : plugin.getDeployedFiles()) {
            base.addURL(file.toURI().toURL());
        }
        return true;
    } catch (UnsupportedClassVersionError e) {
        throw new SonarException("The plugin " + plugin.getKey() + " is not supported with Java "
                + SystemUtils.JAVA_VERSION_TRIMMED, e);

    } catch (Throwable e) {
        throw new SonarException(
                "Fail to extend the plugin " + plugin.getBasePlugin() + " for " + plugin.getKey(), e);
    }
}

From source file:org.sonar.core.plugins.PluginClassloaders.java

public Plugin instantiatePlugin(PluginMetadata plugin) {
    try {//from w  w  w .  ja  va  2  s . co  m
        Class clazz = get(plugin.getKey()).loadClass(plugin.getMainClass());
        return (Plugin) clazz.newInstance();

    } catch (UnsupportedClassVersionError e) {
        throw new SonarException("The plugin " + plugin.getKey() + " is not supported with Java "
                + SystemUtils.JAVA_VERSION_TRIMMED, e);

    } catch (Throwable e) {
        throw new SonarException("Fail to load plugin " + plugin.getKey(), e);
    }
}

Example usage for org.apache.commons.lang SystemUtils JAVA_VERSION_TRIMMED

Introduction

Prototype

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Usage