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package com.sun.enterprise.tools.apt;
import com.sun.enterprise.tools.InhabitantsDescriptor;
import com.sun.enterprise.tools.Messager;
import com.sun.mirror.apt.AnnotationProcessorEnvironment;
import java.util.Map;
import java.util.HashMap;
import java.util.Map.Entry;
import java.io.File;
import java.io.IOException;
/**
* List of {@link InhabitantsDescriptor}s.
* This data structure needs to survive multiple rounds.
*
* @author Kohsuke Kawaguchi
*/
final class DescriptorList {
/**
* Habitat name to its descriptor.
*/
final Map<String,InhabitantsDescriptor> descriptors = new HashMap<String, InhabitantsDescriptor>();
/**
* Really ugly, but because there's no easy way to make sure we call {@link #loadExisting(AnnotationProcessorEnvironment)}
* once and only once, we use the flag to remember if we already loaded existing stuff.
*/
private boolean loaded;
protected void loadExisting(AnnotationProcessorEnvironment env) {
if(loaded) return;
loaded=true;
String outDirectory = env.getOptions().get("-d");
if (outDirectory==null) {
outDirectory = System.getProperty("user.dir");
}
File outDir = new File(new File(outDirectory),"META-INF/inhabitants").getAbsoluteFile();
if (!outDir.exists()) {
return;
}
for (File file : outDir.listFiles()) {
if(file.isDirectory()) continue;
try {
descriptors.put(file.getName(),new InhabitantsDescriptor(file));
} catch (IOException e) {
env.getMessager().printError(e.getMessage());
}
}
}
public void write(final AnnotationProcessorEnvironment env) {
String outDirectory = env.getOptions().get("-d");
if (outDirectory==null) outDirectory = env.getOptions().get("-s");
if(outDirectory==null) outDirectory = System.getProperty("user.home");
Messager messager = new Messager() {
@Override
public void printError(String msg, Exception e) {
e.printStackTrace();
env.getMessager().printError(msg);
}
};
for (Entry<String, InhabitantsDescriptor> e : descriptors.entrySet()) {
e.getValue().write(new File(outDirectory), messager, e.getKey());
}
}
public InhabitantsDescriptor get(String name) {
InhabitantsDescriptor descriptor = descriptors.get(name);
if(descriptor==null) {
descriptor = new InhabitantsDescriptor();
descriptors.put(name,descriptor);
}
return descriptor;
}
}