import sun.tools.java.ClassFile; //导入依赖的package包/类
/**
 * Create and return a new instance of self. Subclasses
 * which need to do something other than default construction
 * must override this method.
 */
protected void generateOutputFiles (CompoundType topType,
                                    BatchEnvironment env,
                                    File destDir) {

    // Grab the 'alreadyChecked' HashSet from the environment...

    HashSet alreadyChecked = env.alreadyChecked;

    // Ask subclass for a list of output types...

    OutputType[] types = getOutputTypesFor(topType,alreadyChecked);

    // Process each file...

    for (int i = 0; i < types.length; i++) {
        OutputType current = types[i];
        String className = current.getName();
        File file = getFileFor(current,destDir);
        boolean sourceFile = false;

        // Do we need to generate this file?

        if (requiresGeneration(file,current.getType())) {

            // Yes. If java source file, add to environment so will be compiled...

            if (file.getName().endsWith(".java")) {
                sourceFile = compileJavaSourceFile(current);

                            // Are we supposeded to compile this one?

                if (sourceFile) {
                    env.addGeneratedFile(file);
                }
            }

            // Now create an output stream and ask subclass to fill it up...

            try {
               IndentingWriter out = new IndentingWriter(
                                                          new OutputStreamWriter(new FileOutputStream(file)),INDENT_STEP,TAB_SIZE);

                long startTime = 0;
                if (env.verbose()) {
                    startTime = System.currentTimeMillis();
                }

                writeOutputFor(types[i],alreadyChecked,out);
                out.close();

                if (env.verbose()) {
                    long duration = System.currentTimeMillis() - startTime;
                    env.output(Main.getText("rmic.generated", file.getPath(), Long.toString(duration)));
                }
                if (sourceFile) {
                    env.parseFile(new ClassFile(file));
                }
            } catch (IOException e) {
                env.error(0, "cant.write", file.toString());
                return;
            }
        } else {

            // No, say so if we need to...

            if (env.verbose()) {
                env.output(Main.getText("rmic.previously.generated", file.getPath()));
            }
        }
    }
}
 

import sun.tools.java.ClassFile; //导入依赖的package包/类
/**
 * Create and return a new instance of self. Subclasses
 * which need to do something other than default construction
 * must override this method.
 */
protected void generateOutputFiles (CompoundType topType,
                                    BatchEnvironment env,
                                    File destDir) {

    // Grab the 'alreadyChecked' HashSet from the environment...

    HashSet alreadyChecked = env.alreadyChecked;

    // Ask subclass for a list of output types...

    OutputType[] types = getOutputTypesFor(topType,alreadyChecked);

    // Process each file...

    for (int i = 0; i < types.length; i++) {
        OutputType current = types[i];
        String className = current.getName();
        File file = getFileFor(current,destDir);
        boolean sourceFile = false;

        // Do we need to generate this file?

        if (requiresGeneration(file,current.getType())) {

            // Yes. If java source file, add to environment so will be compiled...

            if (file.getName().endsWith(".java")) {
                sourceFile = compileJavaSourceFile(current);

                            // Are we supposeded to compile this one?

                if (sourceFile) {
                    env.addGeneratedFile(file);
                }
            }

            // Now create an output stream and ask subclass to fill it up...

            try {
               IndentingWriter out = new IndentingWriter(
                                                          new OutputStreamWriter(new FileOutputStream(file)),INDENT_STEP,TAB_SIZE);

                long startTime = 0;
                if (env.verbose()) {
                    startTime = System.currentTimeMillis();
                }

                writeOutputFor(types[i],alreadyChecked,out);
                out.close();

                if (env.verbose()) {
                    long duration = System.currentTimeMillis() - startTime;
                    env.output(Main.getText("rmic.generated", file.getPath(), Long.toString(duration)));
                }
                if (sourceFile) {
                    env.parseFile(ClassFile.newClassFile(file));
                }
            } catch (IOException e) {
                env.error(0, "cant.write", file.toString());
                return;
            }
        } else {

            // No, say so if we need to...

            if (env.verbose()) {
                env.output(Main.getText("rmic.previously.generated", file.getPath()));
            }
        }
    }
}
 

import sun.tools.java.ClassFile; //导入依赖的package包/类
/**
 * Return true if the specified file needs generation.
 */
public boolean requiresGeneration (File target, Type theType) {

    boolean result = alwaysGenerate;

    if (!result) {

        // Get a ClassFile instance for base source or class
        // file.  We use ClassFile so that if the base is in
        // a zip file, we can still get at it's mod time...

        ClassFile baseFile;
        ClassPath path = env.getClassPath();
        String className = theType.getQualifiedName().replace('.',File.separatorChar);

        // First try the source file...

        baseFile = path.getFile(className + ".source");

        if (baseFile == null) {

            // Then try class file...

            baseFile = path.getFile(className + ".class");
        }

        // Do we have a baseFile?

        if (baseFile != null) {

            // Yes, grab baseFile's mod time...

            long baseFileMod = baseFile.lastModified();

            // Get a File instance for the target. If it is a source
            // file, create a class file instead since the source file
            // will frequently be deleted...

            String targetName = IDLNames.replace(target.getName(),".java",".class");
            String parentPath = target.getParent();
            File targetFile = new File(parentPath,targetName);

            // Does the target file exist?

            if (targetFile.exists()) {

                // Yes, so grab it's mod time...

                long targetFileMod = targetFile.lastModified();

                // Set result...

                result = targetFileMod < baseFileMod;

            } else {

                // No, so we must generate...

                result = true;
            }
        } else {

            // No, so we must generate...

            result = true;
        }
    }

    return result;
}