weaver 2004/05/11 11:08:03
Modified: components/cm/src/java/org/apache/jetspeed/components/pico/groovy
Tag: NANOCONTAINER_DEPLOYER
GroovyComponentAdapter.java
Log:
GroovyComponentAdapter now supoprts binding a commons Configuration object
Revision Changes Path
No revision
No revision
1.1.2.1 +120 -110
jakarta-jetspeed-2/components/cm/src/java/org/apache/jetspeed/components/pico/groovy/GroovyComponentAdapter.java
Index: GroovyComponentAdapter.java
===================================================================
RCS file:
/home/cvs/jakarta-jetspeed-2/components/cm/src/java/org/apache/jetspeed/components/pico/groovy/GroovyComponentAdapter.java,v
retrieving revision 1.1
retrieving revision 1.1.2.1
diff -u -r1.1 -r1.1.2.1
--- GroovyComponentAdapter.java 15 Apr 2004 15:33:13 -0000 1.1
+++ GroovyComponentAdapter.java 11 May 2004 18:08:03 -0000 1.1.2.1
@@ -1,111 +1,121 @@
-/*
- * Created on Apr 13, 2004
- *
- * TODO To change the template for this generated file go to Window -
- * Preferences - Java - Code Generation - Code and Comments
- */
-package org.apache.jetspeed.components.pico.groovy;
-
-import groovy.lang.Binding;
-import groovy.lang.GroovyClassLoader;
-import groovy.lang.Script;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.Arrays;
-import java.util.Collections;
-
-import org.codehaus.groovy.runtime.InvokerHelper;
-import org.codehaus.groovy.syntax.SyntaxException;
-import org.picocontainer.Parameter;
-import org.picocontainer.PicoInitializationException;
-import org.picocontainer.PicoIntrospectionException;
-import org.picocontainer.defaults.AbstractComponentAdapter;
-import org.picocontainer.defaults.UnsatisfiableDependenciesException;
-
-/**
- * @author <a href="mailto:[EMAIL PROTECTED]">Scott T. Weaver </a>
- *
- */
-public class GroovyComponentAdapter extends AbstractComponentAdapter
-{
- private static final String GROOVY_EXTENSION = ".groovy";
- private final Parameter[] parameters;
-
- private Script groovyScript;
- private boolean isSingleton;
- private Object instance;
-
- public GroovyComponentAdapter( Object componentKey, Class
componentImplementation, Parameter[] parameters, boolean isSingleton )
- {
- super(componentKey, componentImplementation);
- this.parameters = parameters;
- this.isSingleton = isSingleton;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.picocontainer.ComponentAdapter#verify()
- */
- public void verify() throws UnsatisfiableDependenciesException
- {
-
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.picocontainer.ComponentAdapter#getComponentInstance()
- */
- public Object getComponentInstance() throws PicoInitializationException,
PicoIntrospectionException
- {
- try
- {
- if(isSingleton && instance != null)
- {
- return instance;
- }
-
- Binding binding = new Binding();
- binding.setVariable("adapter", this);
- binding.setVariable("picoContainer", getContainer());
- binding.setVariable("componentKey", getComponentKey());
- binding.setVariable("componentImplementation",
getComponentImplementation());
- binding.setVariable("parameters", parameters != null ?
Arrays.asList(parameters) : Collections.EMPTY_LIST);
- binding.setVariable("parameterReader", parameters != null ? new
ParameterReader(parameters, getContainer()) : null);
-
- String scriptPath = "/" +
getComponentImplementation().getName().replace('.', '/') + GROOVY_EXTENSION;
- InputStream scriptIs =
getComponentImplementation().getResourceAsStream(scriptPath);
-
- if (scriptIs == null)
- {
- throw new PicoInitializationException("Couldn't load script at path
" + scriptPath);
- }
-
- GroovyClassLoader loader = new
GroovyClassLoader(Thread.currentThread().getContextClassLoader());
-
- Class scriptClass = loader.parseClass(scriptIs);
- groovyScript = InvokerHelper.createScript(scriptClass, null);
-
- groovyScript.setBinding(binding);
- instance = groovyScript.run();
- if(instance == null)
- {
- instance = groovyScript.getBinding().getVariable("instance");
- }
-
- return instance;
-
- }
- catch (SyntaxException e)
- {
- throw new PicoInitializationException(e);
- }
- catch (IOException e)
- {
- throw new PicoInitializationException(e);
- }
- }
-
+/*
+ * Created on Apr 13, 2004
+ *
+ * TODO To change the template for this generated file go to Window -
+ * Preferences - Java - Code Generation - Code and Comments
+ */
+package org.apache.jetspeed.components.pico.groovy;
+
+import groovy.lang.Binding;
+import groovy.lang.GroovyClassLoader;
+import groovy.lang.Script;
+
+import java.io.InputStream;
+import java.util.Arrays;
+import java.util.Collections;
+
+import org.apache.commons.configuration.Configuration;
+import org.apache.commons.configuration.PropertiesConfiguration;
+import org.codehaus.groovy.runtime.InvokerHelper;
+import org.picocontainer.Parameter;
+import org.picocontainer.PicoInitializationException;
+import org.picocontainer.PicoIntrospectionException;
+import org.picocontainer.defaults.AbstractComponentAdapter;
+import org.picocontainer.defaults.UnsatisfiableDependenciesException;
+
+/**
+ * @author <a href="mailto:[EMAIL PROTECTED]">Scott T. Weaver</a>
+ *
+ */
+public class GroovyComponentAdapter extends AbstractComponentAdapter
+{
+ private static final String GROOVY_EXTENSION = ".groovy";
+ private final Parameter[] parameters;
+
+ private Script groovyScript;
+ private boolean isSingleton;
+ private Object instance;
+ private ClassLoader cl;
+ private Configuration config;
+
+ public GroovyComponentAdapter( Object componentKey, Class
componentImplementation, Parameter[] parameters, boolean isSingleton, ClassLoader cl,
Configuration config )
+ {
+ super(componentKey, componentImplementation);
+ this.config = config;
+ this.parameters = parameters;
+ this.isSingleton = isSingleton;
+ if(cl != null)
+ {
+ this.cl = cl;
+ }
+ else
+ {
+ this.cl = getClass().getClassLoader();
+ }
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.picocontainer.ComponentAdapter#verify()
+ */
+ public void verify() throws UnsatisfiableDependenciesException
+ {
+
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.picocontainer.ComponentAdapter#getComponentInstance()
+ */
+ public Object getComponentInstance() throws PicoInitializationException,
PicoIntrospectionException
+ {
+
+ try
+ {
+ if(isSingleton && instance != null)
+ {
+ return instance;
+ }
+
+ Binding binding = new Binding();
+ binding.setVariable("adapter", this);
+ binding.setVariable("picoContainer", getContainer());
+ binding.setVariable("componentKey", getComponentKey());
+ binding.setVariable("componentImplementation",
getComponentImplementation());
+ binding.setVariable("parameters", parameters != null ?
Arrays.asList(parameters) : Collections.EMPTY_LIST);
+ binding.setVariable("parameterReader", parameters != null ? new
ParameterReader(parameters, getContainer()) : null);
+ binding.setVariable("config", config != null ? config : new
PropertiesConfiguration());
+ String scriptPath = getComponentImplementation().getName().replace('.',
'/') + GROOVY_EXTENSION;
+ InputStream scriptIs = this.cl.getResourceAsStream(scriptPath);
+
+ if (scriptIs == null)
+ {
+ throw new PicoInitializationException("Couldn't load script at path
" + scriptPath);
+ }
+
+ GroovyClassLoader loader = new GroovyClassLoader(this.cl);
+
+
+ Class scriptClass = loader.parseClass(scriptIs);
+ groovyScript = InvokerHelper.createScript(scriptClass, null);
+
+ groovyScript.setBinding(binding);
+ instance = groovyScript.run();
+ if(instance == null)
+ {
+ instance = groovyScript.getBinding().getVariable("instance");
+ }
+
+ return instance;
+
+ }
+ catch (Exception e)
+ {
+ throw new PicoInitializationException(e);
+ }
+
+ }
+
}
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