wsdltodotnet.java

java ant的源码！非常值得看的源码

        command.addArgument("/out:" + destFile);
        command.addArgument("/language:", language);
        if (server) {
            command.addArgument("/server");
        }
        command.addArgument("/namespace:", namespace);
        if (protocol != null) {
            command.addArgument("/protocol:" + protocol);
        }
        if (ideErrors) {
            command.addArgument("/parsableErrors");
        }
        command.addArgument(extraOptions);

        //set source and rebuild options
        boolean rebuild = true;
        long destLastModified = -1;

        //rebuild unless the dest file is newer than the source file
        if (destFile.exists()) {
            destLastModified = destFile.lastModified();
            rebuild = isRebuildNeeded(wsdl, destLastModified);
        }
        String path;
        //mark for a rebuild if the dest file is newer
        path = wsdl.evaluate();
        if (!compiler.supportsAbsoluteFiles() && wsdl.getFile() != null) {
            // Mono 1.0's wsdl doesn't deal with absolute paths
            File f = wsdl.getFile();
            command.setDirectory(f.getParentFile());
            path = f.getName();
        }
        command.addArgument(path);
        //add in any extra files.
        //this is an error in mono, but we do not warn on it as they may fix that outside
        //the ant build cycle.
        Iterator it = schemas.iterator();
        while (it.hasNext()) {
            Schema schema = (Schema) it.next();
            //mark for a rebuild if we are newer
            rebuild |= isRebuildNeeded(schema, destLastModified);
            command.addArgument(schema.evaluate());
        }
        //conditionally compile
        if (rebuild) {
            command.runCommand();
        }
    }

    /**
     * checks for a schema being out of data
     * @param schema url/file
     * @param destLastModified timestamp, -1 for no dest
     * @return true if a rebuild is needed.
     */
    private boolean isRebuildNeeded(Schema schema, long destLastModified) {
        if (destLastModified == -1) {
            return true;
        }
        return !FILE_UTILS.isUpToDate(schema.getTimestamp(), destLastModified);
    }


    /**
     * nested schema class
     * Only supported on NET until mono add multi-URL handling on the command line
     */
    public static class Schema {
        private File file;
        private String url;
        private boolean makeURL = false;

        // Errors
        /** One of file or url must be set */
        public static final String ERROR_NONE_DECLARED = "One of file and url must be set";
        /** Only one of file or url */
        public static final String ERROR_BOTH_DECLARED = "Only one of file or url can be set";
        /** Not found */
        public static final String ERROR_FILE_NOT_FOUND = "Not found: ";
        /** File is a directory */
        public static final String ERROR_FILE_IS_DIR = "File is a directory: ";
        /** Could not URL convert */
        public static final String ERROR_NO_URL_CONVERT = "Could not URL convert ";

        /**
         * validate the schema
         */
        public  void validate() {

            if (file != null) {
                if (!file.exists()) {
                    throw new BuildException(ERROR_FILE_NOT_FOUND + file.toString());
                }
                if (file.isDirectory()) {
                    throw new BuildException(ERROR_FILE_IS_DIR + file.toString());
                }
            }
            if (file != null && url != null) {
                throw new BuildException(ERROR_BOTH_DECLARED);
            }
            if (file == null && url == null) {
                throw new BuildException(ERROR_NONE_DECLARED);
            }
        }

        /**
         * Validate our settings.
         * @return either the URL or the full file path
         */
        public String evaluate() {
            validate();
            if (url != null) {
                return getUrl();
            }
            if (makeURL) {
                try {
                    return file.toURL().toExternalForm();
                } catch (MalformedURLException e) {
                    throw new BuildException(ERROR_NO_URL_CONVERT + file);
                }
            }
            return file.toString();
        }

        /**
         * Get the file.
         * @return the file used.
         */
        public File getFile() {
            return file;
        }

        /**
         * name of a file to use as a source of WSDL or XSD data
         * @param file the file to use.
         */
        public void setFile(File file) {
            this.file = file;
        }

        /**
         * Get the url.
         * @return the URL of the resource.
         */
        public String getUrl() {
            return url;
        }

        /**
         * url of a resource.
         * URLs have no timestamp checking, and are not validated
         * @param url the URL string to use.
         */
        public void setUrl(String url) {
            this.url = url;
        }

        /**
         * Get the makeURL attribute.
         * @return the attribute.
         */
        public boolean isMakeURL() {
            return makeURL;
        }

        /**
         * flag to request that a file is turned into an absolute file: URL
         * before being passed to the WSDL compiler
         * @param makeURL a <code>boolean</code> value.
         */
        public void setMakeURL(boolean makeURL) {
            this.makeURL = makeURL;
        }

        /**
         * Gets the file timestamp.
         * @return the timestamp of a file, or -1 for a URL (meaning we do not know its age)
         */
        public long getTimestamp() {
            if (file != null) {
                return file.lastModified();
            } else {
                return -1;
            }
        }
    }

    /**
     * The enumerated values for our compiler
     */
    public static class Compiler extends EnumeratedAttribute {

        /** microsoft */
        public static final String COMPILER_MS = "microsoft";
        /** mono */
        public static final String COMPILER_MONO = "mono";
        /** microsoft-on-mono */
        public static final String COMPILER_MS_ON_MONO = "microsoft-on-mono";
        // CheckStyle:VisibilityModifier OFF - bc
        /** the index to string mappings */
        String[] compilers = {
            COMPILER_MS,
            COMPILER_MONO,
            COMPILER_MS_ON_MONO
        };

        /** WSDL */
        public static final String EXE_WSDL = "wsdl";
        /** MONO */
        public static final String EXE_MONO = "mono";
        /**
         * programs to run
         */
        String[] compilerExecutables = {
            EXE_WSDL,
            EXE_WSDL,
            EXE_MONO
        };


        /**
         * extra things
         */
        String[][] extraCompilerArgs = {
            {},
            {},
            {EXE_WSDL + ".exe"}
        };

        boolean[] absoluteFiles = {
            true,
            false,
            true
        };

        // CheckStyle:VisibilityModifier ON
        /**
         * This is the only method a subclass needs to implement.
         *
         * @return an array holding all possible values of the enumeration.
         *         The order of elements must be fixed so that <tt>indexOfValue(String)</tt>
         *         always return the same index for the same value.
         */
        public String[] getValues() {
            return compilers;
        }

        /**
         * Create the default compiler for this platform.
         * @return the default compiler
         */
        public static Compiler createDefaultCompiler() {
            Compiler c = new Compiler();
            String compilerName;
            compilerName = Os.isFamily("windows") ? COMPILER_MS : COMPILER_MONO;
            c.setValue(compilerName);
            return c;
        }

        /**
         * return the command to run
         * @return the command
         */
        public String getCommand() {
            return compilerExecutables[getIndex()];
        }

        /**
         * return any extra arguments for the compiler
         * @return extra compiler arguments
         */
        public String[] getExtraArgs() {
            return extraCompilerArgs[getIndex()];
        }

        /**
         * Get where the current value supports absolute files.
         * @return true if the compiler does supports absolute files.
         */
        public boolean supportsAbsoluteFiles() {
            return absoluteFiles[getIndex()];
        }

        /**
         * apply any extra arguments of this class
         * @param command the command to apply the arguments to.
         */
        public void applyExtraArgs(NetCommand command) {
            String[] args = getExtraArgs();
            for (int i = 0; i < args.length; i++) {
               command.addArgument(args[i]);
            }
        }

    }

}