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package com.aurea.maven.plugins.sonic.utils; |
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import java.io.File; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Properties; |
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public class JavaInvoker { |
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| 16 | 0 | private String mainClass = null; |
| 17 | 0 | private String workDir = null; |
| 18 | 0 | private Properties jvmProps = null; |
| 19 | 0 | private List<String> classPath = null; |
| 20 | 0 | private List<String> bootClassPath = null; |
| 21 | 0 | private List<String> arguments = null; |
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| 27 | 0 | public JavaInvoker(final String _mainClass) { |
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| 29 | 0 | setMainClass(_mainClass); |
| 30 | 0 | } |
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public final void setMainClass(final String _mainClass) { |
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| 38 | 0 | mainClass = _mainClass; |
| 39 | 0 | } |
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public final void addToClassPath(final String _path) { |
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| 47 | 0 | if (classPath == null) { |
| 48 | 0 | classPath = new ArrayList<String>(); |
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} |
| 50 | 0 | classPath.add(_path); |
| 51 | 0 | } |
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public final void addToBootClassPath(final String _path) { |
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| 59 | 0 | if (bootClassPath == null) { |
| 60 | 0 | bootClassPath = new ArrayList<String>(); |
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} |
| 62 | 0 | bootClassPath.add(_path); |
| 63 | 0 | } |
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public final void setProperty(final String _key, final String _value) { |
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| 73 | 0 | if (jvmProps == null) { |
| 74 | 0 | jvmProps = new Properties(); |
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} |
| 76 | 0 | jvmProps.setProperty(_key, _value); |
| 77 | 0 | } |
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public final void addArgument(final String _arg) { |
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| 85 | 0 | if (arguments == null) { |
| 86 | 0 | arguments = new ArrayList<String>(); |
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} |
| 88 | 0 | arguments.add(_arg); |
| 89 | 0 | } |
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public final void setWorkingDir(final String _dir) { |
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| 97 | 0 | workDir = _dir; |
| 98 | 0 | } |
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protected final String getWorkdir() { |
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| 105 | 0 | if (workDir != null) { |
| 106 | 0 | return workDir; |
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} else { |
| 108 | 0 | return System.getProperty("user.dir"); |
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} |
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} |
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@SuppressWarnings("unchecked") |
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public final void invoke() throws IOException { |
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| 119 | 0 | List<String> cmd = new ArrayList<String>(); |
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| 121 | 0 | boolean isWindows = (System.getProperty("os.name").startsWith("Windows")); |
| 122 | 0 | String java = System.getProperty("java.home") + File.separator + "bin" + File.separator + "java"; |
| 123 | 0 | if (isWindows) { |
| 124 | 0 | java += ".exe"; |
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} |
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| 127 | 0 | cmd.add(java); |
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| 129 | 0 | if (jvmProps != null) { |
| 130 | 0 | for (Iterator it = jvmProps.keySet().iterator(); it.hasNext();) { |
| 131 | 0 | String key = (String) it.next(); |
| 132 | 0 | String value = jvmProps.getProperty(key); |
| 133 | 0 | cmd.add("-D" + key + "=" + value); |
| 134 | 0 | } |
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} |
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| 137 | 0 | String cp = assembleClasspath(bootClassPath); |
| 138 | 0 | if (cp != null) { |
| 139 | 0 | cmd.add("-Xbootclasspath:" + cp); |
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} |
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| 142 | 0 | cp = assembleClasspath(classPath); |
| 143 | 0 | if (cp != null) { |
| 144 | 0 | cmd.add("-classpath"); |
| 145 | 0 | cmd.add(cp); |
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} |
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| 148 | 0 | cmd.add(mainClass); |
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| 150 | 0 | if (arguments != null) { |
| 151 | 0 | cmd.addAll(arguments); |
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} |
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| 154 | 0 | ProcessBuilder process = new ProcessBuilder(cmd); |
| 155 | 0 | process.directory(new File(getWorkdir())); |
| 156 | 0 | process.redirectErrorStream(true); |
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| 159 | 0 | process.start(); |
| 160 | 0 | } |
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private String assembleClasspath(final List<String> _cpElements) { |
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| 164 | 0 | StringBuffer result = new StringBuffer(); |
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| 166 | 0 | if (_cpElements != null) { |
| 167 | 0 | for (Iterator<String> it = _cpElements.iterator(); it.hasNext();) { |
| 168 | 0 | String cpElem = it.next(); |
| 169 | 0 | if (result.length() > 0) { |
| 170 | 0 | result.append(File.pathSeparator); |
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} |
| 172 | 0 | result.append(cpElem); |
| 173 | 0 | } |
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} |
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| 176 | 0 | if (result.length() > 0) { |
| 177 | 0 | return result.toString(); |
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} else { |
| 179 | 0 | return null; |
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} |
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} |
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} |