com.sun.codemodel.writer.FileCodeWriter Maven / Gradle / Ivy
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package com.sun.codemodel.writer;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.HashSet;
import java.util.Set;
import com.sun.codemodel.CodeWriter;
import com.sun.codemodel.JPackage;
/**
* Writes all the source files under the specified file folder.
*
* @author
* Kohsuke Kawaguchi ([email protected])
*/
public class FileCodeWriter extends CodeWriter {
/** The target directory to put source code. */
private final File target;
/** specify whether or not to mark the generated files read-only */
private final boolean readOnly;
/** Files that shall be marked as read only. */
private final Set readonlyFiles = new HashSet();
public FileCodeWriter( File target ) throws IOException {
this(target,false);
}
public FileCodeWriter( File target, String encoding ) throws IOException {
this(target,false, encoding);
}
public FileCodeWriter( File target, boolean readOnly ) throws IOException {
this(target, readOnly, null);
}
public FileCodeWriter( File target, boolean readOnly, String encoding ) throws IOException {
this.target = target;
this.readOnly = readOnly;
this.encoding = encoding;
if(!target.exists() || !target.isDirectory())
throw new IOException(target + ": non-existent directory");
}
public OutputStream openBinary(JPackage pkg, String fileName) throws IOException {
return new FileOutputStream(getFile(pkg,fileName));
}
protected File getFile(JPackage pkg, String fileName ) throws IOException {
File dir;
if(pkg.isUnnamed())
dir = target;
else
dir = new File(target, toDirName(pkg));
if(!dir.exists()) dir.mkdirs();
File fn = new File(dir,fileName);
if (fn.exists()) {
if (!fn.delete())
throw new IOException(fn + ": Can't delete previous version");
}
if(readOnly) readonlyFiles.add(fn);
return fn;
}
public void close() throws IOException {
// mark files as read-onnly if necessary
for (File f : readonlyFiles)
f.setReadOnly();
}
/** Converts a package name to the directory name. */
private static String toDirName( JPackage pkg ) {
return pkg.name().replace('.',File.separatorChar);
}
}