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1
5 package net.sf.panoptes.view.swing.configurator;
6
7 import groovy.lang.GroovyClassLoader;
8 import groovy.lang.GroovyObject;
9
10 import java.awt.BorderLayout  ;
11 import java.io.File ;
12 import java.io.FileInputStream ;
13 import java.util.Iterator ;
14 import java.util.Map ;
15
16 import javax.swing.JComponent ;
17 import javax.swing.JMenu ;
18 import javax.swing.JPanel ;
19
20 import net.sf.panoptes.controller.MainController;
21 import net.sf.panoptes.controller.actions.EditScriptAction;
22 import net.sf.panoptes.model.node.Node;
23 import net.sf.panoptes.swing.Operation;
24 import net.sf.panoptes.swing.OperationFactory;
25 import net.sf.panoptes.swing.desktop.MenuContributor;
26 import net.sf.panoptes.view.swing.editors.ScriptEditor;
27 import net.sf.panoptes.view.swing.editors.ScriptEditorListener;
28
29 import org.apache.commons.logging.Log;
30 import org.apache.commons.logging.LogFactory;
31 import org.python.core.PyClass;
32 import org.python.core.PyException;
33 import org.python.core.PyObject;
34 import org.python.core.PySyntaxError;
35
36
40 public class GroovyConfigurator
41 implements SwingConfigurator, MenuContributor, ScriptEditorListener {
42
43 private static Log log = LogFactory.getLog(GroovyConfigurator.class);
44 private Node node = null;
45 private JPanel panel;
46 private Map attributes;
47 private ConfiguratorFrame frame;
48
49 public JComponent build(ConfiguratorFrame frame, Map attributes) throws ConfiguratorException {
50 this.frame = frame;
51 this.attributes = attributes;
52 panel = new JPanel ();
53 panel.setLayout(new BorderLayout ());
54 return panel;
55 }
56
57 private void execGroovy(Operation op) throws ConfiguratorException {
58 if (node == null)
59 throw new ConfiguratorException("No MBeanWrapper given");
60 try {
61 op.newTask("Removing existing components");
62 op.setProgress(1, 4);
63 panel.removeAll();
64
65 String script = (String ) attributes.get("script");
66
67 op.newTask("Compiling script");
68 op.setProgress(2, 4);
69 ClassLoader parent = getClass().getClassLoader();
70 GroovyClassLoader loader = new GroovyClassLoader(parent);
71 Class groovyClass = loader.parseClass(script);
72
73 op.newTask("Executing Groovy Script");
74 op.setIndefinite(true);
75 GroovyObject groovyObject = (GroovyObject) groovyClass.newInstance();
76 Object [] args = { panel, node, node.getContext()};
77 groovyObject.invokeMethod("createView", args);
78
79 if (frame != null)
80 frame.pack();
81 op.newTask("Execution completed");
82 } catch (Exception e) {
83 throw new ConfiguratorException("Unable to execute Groovy script", e);
84 }
85
86 }
87
88 public void setNode(Operation op, Node node) throws ConfiguratorException {
89 this.node = node;
90 execGroovy(op);
91 }
92
93
98 public JMenu contributeMenu() {
99 JMenu m = new JMenu ("Groovy");
100 m.add(new EditScriptAction(this, (String ) attributes.get("script"), this));
101 return m;
102 }
103
104
109 public void scriptSaved(ScriptEditor source) {
110 Operation op = OperationFactory.getFactory().createOperation("Refreshing script");
111 try {
112 execGroovy(op);
113 } catch (ConfiguratorException e) {
114 log.error("Error executing Groovy script", e);
115 MainController.getInstance().displayError(
116 "Unable to execute python script",
117 e.getMessage(),
118 e);
119 } finally {
120 op.operationFinished();
121 }
122 }
123
124 } |
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