javascript.java

这是远程web服务调用的一个包,可以将JSP直接作为服务

                WebResponse.Scriptable scriptables[] = getDelegate().getFrames();
                Window[] frames = new Window[ scriptables.length ];
                for (int i = 0; i < frames.length; i++) {
                    frames[ i ] = (Window) toScriptable( scriptables[ i ] );
                }
                _frames = (ElementArray) Context.getCurrentContext().newObject( this, "ElementArray" );
                _frames.initialize( frames );
            }
            return _frames;
        }


        public Navigator jsGet_navigator() {
            return _navigator;
        }


        public Screen jsGet_screen() {
            return _screen;
        }


        public Location jsGet_location() {
            return _location;
        }


        public void jsSet_location( String relativeURL ) throws IOException, SAXException {
            setLocation( relativeURL );
        }


        void setLocation( String relativeURL ) throws IOException, SAXException {
            getDelegate().setLocation( relativeURL );
        }


        void initialize( JavaScriptEngine parent, ScriptableDelegate scriptable )
                throws JavaScriptException, NotAFunctionException, PropertyException, SAXException {
            super.initialize( parent, scriptable );

            _location = (Location) Context.getCurrentContext().newObject( this, "Location" );
            _location.initialize(this, ((WebResponse.Scriptable) scriptable).getURL() );

            _navigator = (Navigator) Context.getCurrentContext().newObject( this, "Navigator" );
            _navigator.setClientProperties( getDelegate().getClientProperties() );

            _screen = (Screen) Context.getCurrentContext().newObject( this, "Screen" );
            _screen.setClientProperties( getDelegate().getClientProperties() );
        }


        public void jsFunction_alert( String message ) {
            getDelegate().alert( message );
        }


        public boolean jsFunction_confirm( String message ) {
            return getDelegate().getConfirmationResponse( message );
        }


        public String jsFunction_prompt( String message, String defaultResponse ) {
            return getDelegate().getUserResponse( message, defaultResponse );
        }


        public void jsFunction_moveTo( int x, int y ) {
        }


        public void jsFunction_focus() {
        }


        public void jsFunction_setTimeout() {
        }


        public void jsFunction_close() {
            getDelegate().close();
        }


        public Window jsFunction_open( Object url, String name, String features, boolean replace )
                throws PropertyException, JavaScriptException, NotAFunctionException, IOException, SAXException {
            WebResponse.Scriptable delegate = getDelegate().open( toStringIfNotUndefined( url ), name, features, replace );
            return delegate == null ? null : (Window) toScriptable( delegate );
        }


        public void clearCaches() {
            if (_document != null) _document.clearCaches();
        }


        protected StringBuffer getDocumentWriteBuffer() {
            return jsGet_document().getWriteBuffer();
        }


        protected void discardDocumentWriteBuffer() {
            jsGet_document().clearWriteBuffer();
        }


        private WebResponse.Scriptable getDelegate() {
            return (WebResponse.Scriptable) _scriptable;
        }
    }


    static public class Document extends JavaScriptEngine {

        private ElementArray _forms;
        private ElementArray _links;
        private ElementArray _images;
        private StringBuffer _writeBuffer;
        private String _mimeType;


        public String getClassName() {
            return "Document";
        }


        public void clearCaches() {
            _forms = _links = _images = null;
        }


        public String jsGet_title() throws SAXException {
            return getDelegate().getTitle();
        }


        public Scriptable jsGet_images() throws SAXException{
            if (_images == null) _images = toElementArray( getDelegate().getImages() );
            return _images;
        }


        public Scriptable jsGet_links() throws SAXException {
            if (_links == null) _links = toElementArray( getDelegate().getLinks() );
            return _links;
        }


        public Scriptable jsGet_forms() throws SAXException {
            if (_forms == null) _forms = toElementArray( getDelegate().getForms() );
            return _forms;
        }


        public Object jsFunction_getElementById( String id ) {
            ScriptableDelegate elementWithID = getDelegate().getElementWithID( id );
            return elementWithID == null ? null : toScriptable( elementWithID );
        }


        public Object jsFunction_getElementsByName( String name ) {
            return toElementArray( getDelegate().getElementsByName( name ) );
        }


        public Object jsFunction_getElementsByTagName( String name ) {
            return toElementArray( getDelegate().getElementsByTagName( name ) );
        }


        public Object jsGet_location() {
            return _parent == null ? NOT_FOUND : getWindow().jsGet_location();
        }


        public void jsSet_location( String urlString ) throws IOException, SAXException {
            if (urlString.startsWith( "color" )) return;
            getWindow().setLocation( urlString );
        }


        public String jsGet_cookie() {
            return getDelegate().getCookie();
        }


        public void jsSet_cookie( String cookieSpec ) {
            final int equalsIndex = cookieSpec.indexOf( '=' );
            if (equalsIndex <0) return;
            int endIndex = cookieSpec.indexOf( ";", equalsIndex );
            if (endIndex < 0) endIndex = cookieSpec.length();
            String name = cookieSpec.substring( 0, equalsIndex );
            String value = cookieSpec.substring( equalsIndex+1, endIndex );
            getDelegate().setCookie( name, value );
        }


        private Window getWindow() {
            return ((Window) _parent);
        }


        public void jsFunction_open( Object mimeType ) {
            _mimeType = toStringIfNotUndefined( mimeType );
        }


        public void jsFunction_close() {
            if (getDelegate().replaceText( getWriteBuffer().toString(), _mimeType == null ? "text/html" : _mimeType )) {
                getWriteBuffer().setLength(0);
            }
        }


        public void jsFunction_write( String string ) {
            getWriteBuffer().append( string );
        }


        public void jsFunction_writeln( String string ) {
            getWriteBuffer().append( string ).append( (char) 0x0D ).append( (char) 0x0A );
        }


        protected StringBuffer getWriteBuffer() {
            if (_writeBuffer == null) _writeBuffer = new StringBuffer();
            return _writeBuffer;
        }


        protected void clearWriteBuffer() {
            _writeBuffer = null;
        }


        private HTMLPage.Scriptable getDelegate() {
            return (HTMLPage.Scriptable) _scriptable;
        }

    }


    static public class Location extends JavaScriptEngine {

        private URL _url;
        private Window _window;

        public String getClassName() {
            return "Location";
        }


        void initialize( Window window, URL url ) {
            _window = window;
            _url = url;
        }


        public void jsFunction_replace( String urlString ) throws IOException, SAXException {
            _window.setLocation( urlString );
        }


        public String jsGet_href() {
            return toString();
        }


        public void jsSet_href( String urlString ) throws SAXException, IOException {
            _window.setLocation( urlString );
        }


        public String jsGet_protocol() {
            return _url.getProtocol() + ':';
        }


        public String jsGet_host() {
            return _url.getHost() + ':' + _url.getPort();
        }


        public String jsGet_hostname() {
            return _url.getHost();
        }


        public String jsGet_port() {
            return String.valueOf( _url.getPort() );
        }


        public String jsGet_pathname() {
            return _url.getPath();
        }


        public void jsSet_pathname( String newPath ) throws SAXException, IOException {
            if (!newPath.startsWith( "/" )) newPath = '/' + newPath;
            URL newURL = new URL( _url, newPath );
            _window.setLocation( newURL.toExternalForm() );
        }


        public String jsGet_search() {
            return '?' + _url.getQuery();
        }


        public void jsSet_search( String newSearch ) throws SAXException, IOException {
            if (!newSearch.startsWith( "?" )) newSearch = '?' + newSearch;
            _window.setLocation( jsGet_protocol() + "//" + jsGet_host() + jsGet_pathname() + newSearch );
        }


        /**
         * Returns the default value of this scriptable object. In this case, it returns simply the URL as a string.
         * Note that this method is necessary, since Rhino will only call the toString method directly if there are no
         * Rhino methods defined (jsGet_*, jsFunction_*, etc.)
         */
        public Object getDefaultValue( Class typeHint ) {
            return _url.toExternalForm();
        }


        public String toString() {
            return _url.toExternalForm();
        }

    }


    static public class Style extends JavaScriptEngine {

        private String _display    = "inline";
        private String _visibility = "visible";


        public String getClassName() {
            return "Style";
        }


        public String jsGet_display() {
            return _display;
        }


        public void jsSet_display( String display ) {
            _display = display;
        }


        public String jsGet_visibility() {
            return _visibility;
        }


        public void jsSet_visibility( String visibility ) {
            _visibility = visibility;
        }
    }


    static public class Navigator extends JavaScriptEngine {

        private ClientProperties _clientProperties;

        public String getClassName() {
            return "Navigator";
        }


        void setClientProperties( ClientProperties clientProperties ) {
            _clientProperties = clientProperties;
        }


        public String jsGet_appName() {
            return _clientProperties.getApplicationName();
        }


        public String jsGet_appCodeName() {
            return _clientProperties.getApplicationCodeName();
        }