diff options
Diffstat (limited to 'projects/net.wotonomy.web/src/main/java/net/wotonomy/web/WODirectAction.java')
| -rw-r--r-- | projects/net.wotonomy.web/src/main/java/net/wotonomy/web/WODirectAction.java | 440 |
1 files changed, 196 insertions, 244 deletions
diff --git a/projects/net.wotonomy.web/src/main/java/net/wotonomy/web/WODirectAction.java b/projects/net.wotonomy.web/src/main/java/net/wotonomy/web/WODirectAction.java index 09d0131..08b591f 100644 --- a/projects/net.wotonomy.web/src/main/java/net/wotonomy/web/WODirectAction.java +++ b/projects/net.wotonomy.web/src/main/java/net/wotonomy/web/WODirectAction.java @@ -29,289 +29,241 @@ import net.wotonomy.foundation.internal.Introspector; import net.wotonomy.foundation.internal.ValueConverter; /** -* A pure java implementation of WODirectAction. -* This class provides a number of services to subclasses, -* including access to the query parameters, the request, -* the session, and logging and debugging facilities. -* A new instance of the class is created and then destroyed -* for every request-response cycle.<br><br> -* -* Subclass this to implement direct actions for your -* application. Subclasses would typically override the -* constructor to initialize state based on the request, -* and then provide additional methods that would be invoked -* based on the value at the end of the URI. <br><br> -* -* Example: "http://www/MyApp.woa/MyActions/search" would call -* the method named "searchAction" on the DirectAction subclass -* named "MyActions". If the subclass name is omitted, a subclass -* named "DirectAction" is assumed to exist within the application. -* -* @author michael@mpowers.net -* @author $Author: cgruber $ -* @version $Revision: 905 $ -*/ -public class WODirectAction -{ + * A pure java implementation of WODirectAction. This class provides a number of + * services to subclasses, including access to the query parameters, the + * request, the session, and logging and debugging facilities. A new instance of + * the class is created and then destroyed for every request-response cycle.<br> + * <br> + * + * Subclass this to implement direct actions for your application. Subclasses + * would typically override the constructor to initialize state based on the + * request, and then provide additional methods that would be invoked based on + * the value at the end of the URI. <br> + * <br> + * + * Example: "http://www/MyApp.woa/MyActions/search" would call the method named + * "searchAction" on the DirectAction subclass named "MyActions". If the + * subclass name is omitted, a subclass named "DirectAction" is assumed to exist + * within the application. + * + * @author michael@mpowers.net + * @author $Author: cgruber $ + * @version $Revision: 905 $ + */ +public class WODirectAction { private WORequest request; - WOContext context; + WOContext context; /** - * Default constructor. This is called implicitly by - * subclasses in all cases. Package access only. - */ - WODirectAction () - { - - } + * Default constructor. This is called implicitly by subclasses in all cases. + * Package access only. + */ + WODirectAction() { + + } /** - * Request constructor. This is the constructor used - * to create an action in response to a user request. - * Override to perform any necessary initialization in - * your subclass. - */ - public WODirectAction (WORequest aRequest) - { - this(); - request = aRequest; - } + * Request constructor. This is the constructor used to create an action in + * response to a user request. Override to perform any necessary initialization + * in your subclass. + */ + public WODirectAction(WORequest aRequest) { + this(); + request = aRequest; + } - /** - * Returns the response from the component named "Main". - */ - public WOActionResults defaultAction() - { - return pageWithName("Main").generateResponse(); - } - /** - * Returns the WORequest object for the current request. - */ - public WORequest request () - { - return request; - } + * Returns the response from the component named "Main". + */ + public WOActionResults defaultAction() { + return pageWithName("Main").generateResponse(); + } /** - * Returns the existing session, or null if no session exists. - */ - public WOSession existingSession () - { - //FIXME: this is incorrect - HttpSession session = request.servletRequest().getSession(); - if ( session == null ) return null; - WOSession wosession = new WOSession(); - wosession.setServletSession( session ); - return wosession; - } + * Returns the WORequest object for the current request. + */ + public WORequest request() { + return request; + } /** - * Returns the existing session if it exists. If no session - * exists, returns a newly created session. Note that if the - * user client does not support session ids/cookies, this will - * create a new session with each request. - */ - public WOSession session () - { - //FIXME: this is incorrect - WOSession wosession = new WOSession(); - wosession.setServletSession( - request.servletRequest().getSession( true ) ); - return wosession; - } + * Returns the existing session, or null if no session exists. + */ + public WOSession existingSession() { + // FIXME: this is incorrect + HttpSession session = request.servletRequest().getSession(); + if (session == null) + return null; + WOSession wosession = new WOSession(); + wosession.setServletSession(session); + return wosession; + } /** - * Returns the named WOComponent. - */ - public WOComponent pageWithName (String aString) - { - return request.application().pageWithName( aString, context ); - } + * Returns the existing session if it exists. If no session exists, returns a + * newly created session. Note that if the user client does not support session + * ids/cookies, this will create a new session with each request. + */ + public WOSession session() { + // FIXME: this is incorrect + WOSession wosession = new WOSession(); + wosession.setServletSession(request.servletRequest().getSession(true)); + return wosession; + } /** - * Appends "Action" to the specified string and tries to invoke - * method with that name and no arguments. Returns null if - * the method does not exist. If anAction is null, "defaultAction" - * will be assumed. - */ - public WOActionResults performActionNamed (String anAction) - { - if ( anAction == null ) anAction = "default"; - try - { - NSSelector sel = new NSSelector( anAction+"Action" ); - return (WOActionResults) sel.invoke( this ); - } - catch ( NoSuchMethodException exc ) - { + * Returns the named WOComponent. + */ + public WOComponent pageWithName(String aString) { + return request.application().pageWithName(aString, context); + } + + /** + * Appends "Action" to the specified string and tries to invoke method with that + * name and no arguments. Returns null if the method does not exist. If anAction + * is null, "defaultAction" will be assumed. + */ + public WOActionResults performActionNamed(String anAction) { + if (anAction == null) + anAction = "default"; + try { + NSSelector sel = new NSSelector(anAction + "Action"); + return (WOActionResults) sel.invoke(this); + } catch (NoSuchMethodException exc) { // returns below - } - catch ( InvocationTargetException exc ) - { + } catch (InvocationTargetException exc) { Throwable e = exc.getTargetException(); - exc.printStackTrace(); - throw new RuntimeException( e.toString() ); - } - catch ( Exception exc ) - { - exc.printStackTrace(); - throw new RuntimeException( exc.toString() ); + exc.printStackTrace(); + throw new RuntimeException(e.toString()); + } catch (Exception exc) { + exc.printStackTrace(); + throw new RuntimeException(exc.toString()); } - WOResponse error = new WOResponse(); - error.setStatus( 404 ); // not found - error.appendContentString( - "Could not find method named \"" + anAction + "Action\"." ); - return error; - } + WOResponse error = new WOResponse(); + error.setStatus(404); // not found + error.appendContentString("Could not find method named \"" + anAction + "Action\"."); + return error; + } /** - * Assigns the arrays of form values for the specified keys - * to properties on this object with matching names whose type - * is NSArray or is convertable from a Collection. - */ - public void takeFormValueArraysForKeyArray (NSArray anArray) - { - if ( anArray == null ) return; - - Method m; - Object key; - Object value; - java.util.Enumeration e = anArray.objectEnumerator(); - while ( e.hasMoreElements() ) - { - key = e.nextElement(); - value = request.formValuesForKey( key.toString() ); - try - { - // obtain setter method for this class - m = Introspector.getPropertyWriteMethod( - this.getClass(), key.toString(), - new Class[] { Introspector.WILD } ); - if ( m != null ) - { - // if value isn't null, try to convert it to type - if ( value != null ) - { - Class[] paramTypes = m.getParameterTypes(); - if ( ! paramTypes[0].isAssignableFrom( - value.getClass() ) ) - { - //TODO: find a constructor whose parameter - // is assignable from value.getClass() - // and instantiate it in the place of value. + * Assigns the arrays of form values for the specified keys to properties on + * this object with matching names whose type is NSArray or is convertable from + * a Collection. + */ + public void takeFormValueArraysForKeyArray(NSArray anArray) { + if (anArray == null) + return; + + Method m; + Object key; + Object value; + java.util.Enumeration e = anArray.objectEnumerator(); + while (e.hasMoreElements()) { + key = e.nextElement(); + value = request.formValuesForKey(key.toString()); + try { + // obtain setter method for this class + m = Introspector.getPropertyWriteMethod(this.getClass(), key.toString(), + new Class[] { Introspector.WILD }); + if (m != null) { + // if value isn't null, try to convert it to type + if (value != null) { + Class[] paramTypes = m.getParameterTypes(); + if (!paramTypes[0].isAssignableFrom(value.getClass())) { + // TODO: find a constructor whose parameter + // is assignable from value.getClass() + // and instantiate it in the place of value. } - } - // set property to value - m.invoke( this, new Object[] { value } ); - } - } - catch ( Exception exc ) - { - // show error and continue - debugString( "WODirectAction.takeFormValuesForKeyArray: " + exc ); - } + } + // set property to value + m.invoke(this, new Object[] { value }); + } + } catch (Exception exc) { + // show error and continue + debugString("WODirectAction.takeFormValuesForKeyArray: " + exc); + } } - - } + + } /** - * Assigns the form values for the specified keys to properties - * on this object with matching names. - */ - public void takeFormValuesForKeyArray (NSArray anArray) - { - if ( anArray == null ) return; - - Method m; - Object key; - Object value; - java.util.Enumeration e = anArray.objectEnumerator(); - while ( e.hasMoreElements() ) - { - key = e.nextElement(); - value = request.formValueForKey( key.toString() ); - try - { - // obtain setter method for this class - m = Introspector.getPropertyWriteMethod( - this.getClass(), key.toString(), - new Class[] { Introspector.WILD } ); - if ( m != null ) - { - // if value isn't null, try to convert it to type - if ( value != null ) - { - Class[] paramTypes = m.getParameterTypes(); - Object convertedValue = - ValueConverter.convertObjectToClass( - value, paramTypes[0] ); - if ( convertedValue != null ) - { - value = convertedValue; - } - } - // set property to value - m.invoke( this, new Object[] { value } ); - } - } - catch ( Exception exc ) - { - // show error and continue - debugString( "WODirectAction.takeFormValuesForKeyArray: " + exc ); - } + * Assigns the form values for the specified keys to properties on this object + * with matching names. + */ + public void takeFormValuesForKeyArray(NSArray anArray) { + if (anArray == null) + return; + + Method m; + Object key; + Object value; + java.util.Enumeration e = anArray.objectEnumerator(); + while (e.hasMoreElements()) { + key = e.nextElement(); + value = request.formValueForKey(key.toString()); + try { + // obtain setter method for this class + m = Introspector.getPropertyWriteMethod(this.getClass(), key.toString(), + new Class[] { Introspector.WILD }); + if (m != null) { + // if value isn't null, try to convert it to type + if (value != null) { + Class[] paramTypes = m.getParameterTypes(); + Object convertedValue = ValueConverter.convertObjectToClass(value, paramTypes[0]); + if (convertedValue != null) { + value = convertedValue; + } + } + // set property to value + m.invoke(this, new Object[] { value }); + } + } catch (Exception exc) { + // show error and continue + debugString("WODirectAction.takeFormValuesForKeyArray: " + exc); + } } - - } + + } /** - * Writes a message to the standard error stream. - */ - public static void logString (String aString) - { - System.err.println( aString ); - } + * Writes a message to the standard error stream. + */ + public static void logString(String aString) { + System.err.println(aString); + } /** - * Writes a message to the standard error stream - * if debugging is activated. - */ - public static void debugString (String aString) - { - // TODO: Check to see if debugging is enabled. - System.err.println( aString ); - } + * Writes a message to the standard error stream if debugging is activated. + */ + public static void debugString(String aString) { + // TODO: Check to see if debugging is enabled. + System.err.println(aString); + } } /* - * $Log$ - * Revision 1.2 2006/02/19 01:44:02 cgruber - * Add xmlrpc files - * Remove jclark and replace with dom4j and javax.xml.sax stuff - * Re-work dependencies and imports so it all compiles. + * $Log$ Revision 1.2 2006/02/19 01:44:02 cgruber Add xmlrpc files Remove jclark + * and replace with dom4j and javax.xml.sax stuff Re-work dependencies and + * imports so it all compiles. * - * Revision 1.1 2006/02/16 13:22:22 cgruber - * Check in all sources in eclipse-friendly maven-enabled packages. + * Revision 1.1 2006/02/16 13:22:22 cgruber Check in all sources in + * eclipse-friendly maven-enabled packages. * - * Revision 1.5 2003/01/13 22:24:51 mpowers - * Request-response cycle is working with session and page persistence. + * Revision 1.5 2003/01/13 22:24:51 mpowers Request-response cycle is working + * with session and page persistence. * - * Revision 1.4 2003/01/09 21:16:48 mpowers - * Bringing request-response cycle more into conformance. + * Revision 1.4 2003/01/09 21:16:48 mpowers Bringing request-response cycle more + * into conformance. * - * Revision 1.3 2003/01/07 15:58:11 mpowers - * Implementing the request-response cycle. - * WOSession refactored to support distribution. + * Revision 1.3 2003/01/07 15:58:11 mpowers Implementing the request-response + * cycle. WOSession refactored to support distribution. * - * Revision 1.2 2002/12/17 14:57:43 mpowers - * Minor corrections to WORequests's parsing, and updated javadocs. + * Revision 1.2 2002/12/17 14:57:43 mpowers Minor corrections to WORequests's + * parsing, and updated javadocs. * - * Revision 1.1.1.1 2000/12/21 15:53:18 mpowers - * Contributing wotonomy. + * Revision 1.1.1.1 2000/12/21 15:53:18 mpowers Contributing wotonomy. * - * Revision 1.2 2000/12/20 16:25:50 michael - * Added log to all files. + * Revision 1.2 2000/12/20 16:25:50 michael Added log to all files. * * */ - |