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

        public String jsGet_appVersion() {
            return _clientProperties.getApplicationVersion();
        }


        public String jsGet_userAgent() {
            return _clientProperties.getUserAgent();
        }


        public String jsGet_platform() {
            return _clientProperties.getPlatform();
        }


        public Object[] jsGet_plugins() {
            return new Object[0];
        }


        public boolean jsFunction_javaEnabled() {
            return false;   // no support is provided for applets at present
        }


    }


    static public class Screen extends JavaScriptEngine {

        private ClientProperties _clientProperties;


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


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


        public int jsGet_availWidth() {
            return _clientProperties.getAvailableScreenWidth();
        }


        public int jsGet_availHeight() {
            return _clientProperties.getAvailHeight();
        }


    }


    static public class ElementArray extends ScriptableObject {

        private JavaScriptEngine _contents[] = new HTMLElement[0];


        static ElementArray newElementArray( Scriptable parent ) {
            try {
                return (ElementArray) Context.getCurrentContext().newObject( parent, "ElementArray" );
            } catch (PropertyException e) {
                throw new RhinoException( e );
            } catch (NotAFunctionException e) {
                throw new RhinoException( e );
            } catch (JavaScriptException e) {
                throw new RhinoException( e );
            }
        }


        public ElementArray() {
        }


        void initialize( JavaScriptEngine[] contents ) {
            _contents = contents;
        }


        public int jsGet_length() {
            return _contents.length;
        }


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


        public Object get( int i, Scriptable scriptable ) {
            if (i >= 0 && i < _contents.length) {
                return _contents[i];
            } else {
                return super.get( i, scriptable );
            }
        }


        public Object get( String name, Scriptable scriptable ) {
            for (int i = 0; i < _contents.length; i++) {
                JavaScriptEngine content = _contents[ i ];
                if (name.equalsIgnoreCase( content.getID() )) return content;
            }
            for (int i = 0; i < _contents.length; i++) {
                JavaScriptEngine content = _contents[ i ];
                if (name.equalsIgnoreCase( content.getName() )) return content;
            }
            return super.get( name, scriptable );
        }


        protected JavaScriptEngine[] getContents() {
            return _contents;
        }
    }


    static public class HTMLElement extends JavaScriptEngine {

        private Style _style;
        private Document _document;


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


        public Document jsGet_document() {
            return _document;
        }


        public Style jsGet_style() {
            return _style;
        }


        void initialize( JavaScriptEngine parent, ScriptableDelegate scriptable )
                throws JavaScriptException, NotAFunctionException, PropertyException, SAXException {
            super.initialize( parent, scriptable );
            _document = (Document) parent;
            _style = (Style) Context.getCurrentContext().newObject( this, "Style" );
        }

    }


    static public class Image extends HTMLElement {

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


    static public class Link extends HTMLElement {

        public Document jsGet_document() {
            return super.jsGet_document();
        }


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


    static public class Form extends HTMLElement {

        private ElementArray _controls;

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


        public String jsGet_action() {
            return getDelegate().getAction();
        }


        public void jsSet_action( String action ) {
            getDelegate().setAction( action );
        }


        public Scriptable jsGet_elements() throws PropertyException, NotAFunctionException, JavaScriptException {
            if (_controls == null) {
                initializeControls();
            }
            return _controls;
        }


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


        public void jsFunction_submit() throws IOException, SAXException {
            getDelegate().submit();
        }


        public void jsFunction_reset() throws IOException, SAXException {
            getDelegate().reset();
        }


        private void initializeControls() throws PropertyException, NotAFunctionException, JavaScriptException {
            ScriptableDelegate scriptables[] = getDelegate().getElementDelegates();
            Control[] controls = new Control[ scriptables.length ];
            for (int i = 0; i < controls.length; i++) {
                controls[ i ] = (Control) toScriptable( scriptables[ i ] );
            }
            _controls = (ElementArray) Context.getCurrentContext().newObject( this, "ElementArray" );
            _controls.initialize( controls );
        }


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

    }


    static public class Control extends JavaScriptEngine {

        private Form _form;

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

        public Form jsGet_form() {
            return _form;
        }

        public void jsFunction_focus() {}


        public void jsFunction_select() {}


        public void jsFunction_click() throws IOException, SAXException {
            getDelegate().click();
        }


        private Input getDelegate() {
            return (Input) _scriptable;
        }


        void initialize( JavaScriptEngine parent, ScriptableDelegate scriptable )
                throws JavaScriptException, NotAFunctionException, PropertyException, SAXException {
            super.initialize( parent, scriptable );
            if (parent instanceof Form) _form = (Form) parent;
        }


    }


    static public class Options extends JavaScriptEngine {

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


        public int jsGet_length() {
            return getDelegate().getLength();
        }


        public void jsSet_length( int length ) {
            getDelegate().setLength( length );
        }


        public void put( int i, Scriptable scriptable, Object object ) {
            if (object == null) {
                getDelegate().put( i, null );
            } else {
                if (!(object instanceof Option)) throw new IllegalArgumentException( "May only add an Option to this array" );
                Option option = (Option) object;
                getDelegate().put( i, option.getDelegate() );
            }
        }


        private SelectionOptions getDelegate() {
            return (SelectionOptions) _scriptable;
        }


    }


    static public class Option extends JavaScriptEngine {

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


        public void jsConstructor( String text, String value, boolean defaultSelected, boolean selected ) {
            _scriptable = WebResponse.newDelegate( "Option" );
            getDelegate().initialize( text, value, defaultSelected, selected );
        }


        public int jsGet_index() {
            return getDelegate().getIndex();
        }


        public String jsGet_text() {
            return getDelegate().getText();
        }


        public void jsSet_text( String text ) {
            getDelegate().setText( text );
        }


        public String jsGet_value() {
            return getDelegate().getValue();
        }


        public void jsSet_value( String value ) {
            getDelegate().setValue( value );
        }


        public boolean jsGet_selected() {
            return getDelegate().isSelected();
        }


        public void jsSet_selected( boolean selected ) {
            getDelegate().setSelected( selected );
        }


        public boolean jsGet_defaultSelected() {
            return getDelegate().isDefaultSelected();
        }


        SelectionOption getDelegate() {
            return (SelectionOption) _scriptable;
        }
    }

}


class RhinoException extends RuntimeException {

    private Exception _cause;


    public RhinoException( Exception cause ) {
        _cause = cause;
    }


    public String getMessage() {
        return "Rhino exception: " + _cause;
    }
}