protected boolean isSourceNewer(ScriptCacheEntry entry) throws ResourceException {
if (entry == null) return true;
long now = 0;
for (String scriptName : entry.dependencies) {
ScriptCacheEntry depEntry = scriptCache.get(scriptName);
if (depEntry.sourceNewer) return true;
if (now == 0) {
now = System.currentTimeMillis();
}
long nextSourceCheck = depEntry.lastCheck + config.getMinimumRecompilationInterval();
if (nextSourceCheck > now) continue;
long lastMod = getLastModified(scriptName);
if (depEntry.lastModified < lastMod) {
depEntry = new ScriptCacheEntry(depEntry, lastMod, true);
scriptCache.put(scriptName, depEntry);
return true;
} else {
depEntry = new ScriptCacheEntry(depEntry, now, false);
scriptCache.put(scriptName, depEntry);
}
}
return false;
}
/**
* Decides if the given source is newer than a class.
*
* @param source the source we may want to compile
* @param cls the former class
* @return true if the source is newer, false else
* @throws IOException if it is not possible to open an connection for the given source
* @see #getTimeStamp(Class)
*/
protected boolean isSourceNewer(URL source, Class cls) throws IOException {
long lastMod;
// Special handling for file:// protocol, as getLastModified() often reports
// incorrect results (-1)
if (isFile(source)) {
// Coerce the file URL to a File
// See ClassNodeResolver.isSourceNewer for another method that replaces '|' with ':'.
// WTF: Why is this done and where is it documented?
String path = source.getPath().replace('/', File.separatorChar).replace('|', ':');
File file = new File(path);
lastMod = file.lastModified();
} else {
URLConnection conn = source.openConnection();
lastMod = conn.getLastModified();
conn.getInputStream().close();
}
long classTime = getTimeStamp(cls);
return classTime + config.getMinimumRecompilationInterval() < lastMod;
}
/**
* Copy constructor. Use this if you have a mostly correct configuration for your compilation but
* you want to make a some changes programmatically. An important reason to prefer this approach
* is that your code will most likely be forward compatible with future changes to this
* configuration API.<br>
* An example of this copy constructor at work:<br>
*
* <pre>
* // In all likelihood there is already a configuration in your code's context
* // for you to copy, but for the sake of this example we'll use the global default.
* CompilerConfiguration myConfiguration = new CompilerConfiguration(CompilerConfiguration.DEFAULT);
* myConfiguration.setDebug(true);
* </pre>
*
* @param configuration The configuration to copy.
*/
public CompilerConfiguration(CompilerConfiguration configuration) {
setWarningLevel(configuration.getWarningLevel());
setOutput(configuration.getOutput());
setTargetDirectory(configuration.getTargetDirectory());
setClasspathList(new LinkedList(configuration.getClasspath()));
setVerbose(configuration.getVerbose());
setDebug(configuration.getDebug());
setTolerance(configuration.getTolerance());
setScriptBaseClass(configuration.getScriptBaseClass());
setRecompileGroovySource(configuration.getRecompileGroovySource());
setMinimumRecompilationInterval(configuration.getMinimumRecompilationInterval());
setTargetBytecode(configuration.getTargetBytecode());
setDefaultScriptExtension(configuration.getDefaultScriptExtension());
setSourceEncoding(configuration.getSourceEncoding());
setOutput(configuration.getOutput());
setTargetDirectory(configuration.getTargetDirectory());
Map jointCompilationOptions = configuration.getJointCompilationOptions();
if (jointCompilationOptions != null) {
jointCompilationOptions = new HashMap(jointCompilationOptions);
}
setJointCompilationOptions(jointCompilationOptions);
setPluginFactory(configuration.getPluginFactory());
}