User: mnf999 Date: 01/12/18 22:24:41 Modified: src/main/org/jboss/system ServiceConfigurator.java Log: parse the dependencies used by the deployer Revision Changes Path 1.14 +203 -211 jboss/src/main/org/jboss/system/ServiceConfigurator.java Index: ServiceConfigurator.java =================================================================== RCS file: /cvsroot/jboss/jboss/src/main/org/jboss/system/ServiceConfigurator.java,v retrieving revision 1.13 retrieving revision 1.14 diff -u -r1.13 -r1.14 --- ServiceConfigurator.java 2001/12/04 18:13:23 1.13 +++ ServiceConfigurator.java 2001/12/19 06:24:41 1.14 @@ -1,9 +1,9 @@ /* - * JBoss, the OpenSource J2EE webOS - * - * Distributable under LGPL license. - * See terms of license at gnu.org. - */ +* JBoss, the OpenSource J2EE webOS +* +* Distributable under LGPL license. +* See terms of license at gnu.org. +*/ package org.jboss.system; import java.beans.PropertyEditor; @@ -12,6 +12,8 @@ import java.io.Writer; import java.lang.reflect.Method; import java.lang.reflect.Modifier; +import java.util.StringTokenizer; +import java.util.LinkedList; import java.util.ArrayList; import java.util.Hashtable; import javax.management.Attribute; @@ -34,23 +36,23 @@ import org.w3c.dom.Text; /** - * Service configuration helper. - * - * @author <a href="mailto:[EMAIL PROTECTED]";>Marc Fleury</a> - * @author <a href="mailto:[EMAIL PROTECTED]";>Hiram Chirino</a> - * @version $Revision: 1.13 $ - * - * <p><b>20010830 marc fleury:</b> - * <ul> - * <li>Initial import - * </ul> - * <p><b>20010831 hiram chirino:</b> - * <ul> - * <li>Added suppport for org.w3c.dom.Element type mbean attributes. - * The first child Element of the <attribute ...> is used - * to set the value of the attribute. - * </ul> - */ +* Service configuration helper. +* +* @author <a href="mailto:[EMAIL PROTECTED]";>Marc Fleury</a> +* @author <a href="mailto:[EMAIL PROTECTED]";>Hiram Chirino</a> +* @version $Revision: 1.14 $ +* +* <p><b>20010830 marc fleury:</b> +* <ul> +* <li>Initial import +* </ul> +* <p><b>20010831 hiram chirino:</b> +* <ul> +* <li>Added suppport for org.w3c.dom.Element type mbean attributes. +* The first child Element of the <attribute ...> is used +* to set the value of the attribute. +* </ul> +*/ public class ServiceConfigurator { /** Primitive type name -> class map. */ @@ -82,11 +84,11 @@ // Public ------------------------------------------------------- /** - * Builds a string that consists of the configuration elements of - * the currently running MBeans registered in the server. - * - * @throws Exception Failed to construct configuration. - */ + * Builds a string that consists of the configuration elements of + * the currently running MBeans registered in the server. + * + * @throws Exception Failed to construct configuration. + */ public String getConfiguration(ObjectName[] objectNames) throws Exception { @@ -154,18 +156,18 @@ // Public ----------------------------------------------------- /** - * The <code>configure</code> method configures an mbean based on the xml element configuration - * passed in. Three formats are supported: - * <attribute name="(name)">(value)</attribute> - * <mbean-ref name="(name)">(object name of mbean referenced)</mbean-ref> - * <mbean-ref-list name="(name)"> - * [list of] </mbean-ref-list-element>(object name)</mbean-ref-list-element> - * </mbean-ref-list> - * - * @param mbeanElement an <code>Element</code> value - * @return a <code>ArrayList</code> of all the mbeans this one references. - * @exception Exception if an error occurs - */ + * The <code>configure</code> method configures an mbean based on the xml element configuration + * passed in. Three formats are supported: + * <attribute name="(name)">(value)</attribute> + * <depends optional-attribute-name="(name)">(object name of mbean referenced)</depends> + * <depends-list optional-attribute-name="(name)"> + * [list of] </depends-list-element>(object name)</depends-list-element> + * </depends-list> + * + * @param mbeanElement an <code>Element</code> value + * @return a <code>ArrayList</code> of all the mbeans this one references. + * @exception Exception if an error occurs + */ public ArrayList configure(Element mbeanElement) throws Exception { @@ -182,7 +184,6 @@ } catch (InstanceNotFoundException e) { // The MBean is no longer available - // It's ok, just return It is ????? Why?? Oh yeah? throw new DeploymentException("trying to configure nonexistent mbean: " + objectName); } @@ -194,181 +195,172 @@ Element attributeElement = (Element)attrs.item(j); String attributeName = attributeElement.getAttribute("name"); attrfound: - if (attributeElement.hasChildNodes()) + if (attributeElement.hasChildNodes()) + { + // Get the attribute value + Node n = attributeElement.getFirstChild(); + String attributeText = null; + if( n instanceof Text ) { - // Get the attribute value - Node n = attributeElement.getFirstChild(); - String attributeText = null; - if( n instanceof Text ) - { - attributeText = ((Text)n).getData().trim(); - } - - for (int k = 0; k < attributes.length; k++) + attributeText = ((Text)n).getData().trim(); + } + + for (int k = 0; k < attributes.length; k++) + { + if (attributeName.equals(attributes[k].getName())) { - if (attributeName.equals(attributes[k].getName())) + String typeName = attributes[k].getType(); + Class typeClass; + if (primitives.containsKey(typeName)) { - String typeName = attributes[k].getType(); - Class typeClass; - if (primitives.containsKey(typeName)) - { - typeClass = (Class)primitives.get(typeName); - } - else - { - typeClass = Class.forName(typeName); - } - - Object value = null; - - // HRC: Is the attribute type a org.w3c.dom.Element?? - if (typeClass.equals(Element.class)) + typeClass = (Class)primitives.get(typeName); + } + else + { + typeClass = Class.forName(typeName); + } + + Object value = null; + + // HRC: Is the attribute type a org.w3c.dom.Element?? + if (typeClass.equals(Element.class)) + { + // Then we can pass the first child Element of this + // attributeElement + NodeList nl = attributeElement.getChildNodes(); + for (int i=0; i < nl.getLength(); i++) { - // Then we can pass the first child Element of this - // attributeElement - NodeList nl = attributeElement.getChildNodes(); - for (int i=0; i < nl.getLength(); i++) + n = nl.item(i); + if (n.getNodeType() == Node.ELEMENT_NODE) { - n = nl.item(i); - if (n.getNodeType() == Node.ELEMENT_NODE) - { - value = (Element) n; - break; - } + value = (Element) n; + break; } } - - if (value == null) - { - PropertyEditor editor = PropertyEditorManager.findEditor(typeClass); - editor.setAsText(attributeText); - value = editor.getValue(); - } - - log.debug(attributeName + " set to " + value + " in " + objectName); - server.setAttribute(objectName, new Attribute(attributeName, value)); - - break attrfound; - }//if name matches - }//for attr names - throw new DeploymentException("No Attribute found with name: " + attributeName); - }//if has children + } + + if (value == null) + { + PropertyEditor editor = PropertyEditorManager.findEditor(typeClass); + editor.setAsText(attributeText); + value = editor.getValue(); + } + + log.debug(attributeName + " set to " + value + " in " + objectName); + + server.setAttribute(objectName, new Attribute(attributeName, value)); + + break attrfound; + }//if name matches + }//for attr names + throw new DeploymentException("No Attribute found with name: " + attributeName); + }//if has children } + // Set mbean references (object names) - ArrayList mBeanRefs = new ArrayList(); - NodeList mBeanRefElements = mbeanElement.getElementsByTagName("mbean-ref"); - log.debug("found " + mBeanRefElements.getLength() + " mbean-ref elements"); - for (int j = 0; j < mBeanRefElements.getLength(); j++) - { - Element mBeanRefElement = (Element)mBeanRefElements.item(j); - String mBeanRefName = mBeanRefElement.getAttribute("name"); - if (!mBeanRefElement.hasChildNodes()) + ArrayList mbeans = new ArrayList(); + + NodeList dependsElements = mbeanElement.getElementsByTagName("depends"); + log.debug("found " + dependsElements.getLength() + " depends elements"); + for (int j = 0; j < dependsElements.getLength(); j++) { + Element dependsElement = (Element)dependsElements.item(j); + + if (!dependsElement.hasChildNodes()) { - throw new DeploymentException("No ObjectName supplied for mbean-ref " + mBeanRefName); - - } + throw new DeploymentException("No ObjectName supplied for depends in " + objectName); + + } + + String mbeanRefName = dependsElement.getAttribute("optional-attribute-name"); + // Get the mbeanRef value - String mBeanRefValue = ((Text)mBeanRefElement.getFirstChild()).getData().trim(); - ObjectName mBeanRefObjectName = new ObjectName(mBeanRefValue); - if (!mBeanRefs.contains(mBeanRefObjectName)) - { - mBeanRefs.add(mBeanRefObjectName); - } // end of if () - namefound: - if (mBeanRefName == null || "".equals(mBeanRefName)) - { - log.debug("Anonymous dependency on object name " + mBeanRefObjectName); - } // end of if () - else - { - log.debug("considering " + mBeanRefName + " with object name " + mBeanRefObjectName); - for (int k = 0; k < attributes.length; k++) + String value = ((Text)dependsElement.getFirstChild()).getData().trim(); + + ObjectName dependsObjectName = new ObjectName(value); + log.debug("considering " + mbeanRefName + " with object name " + dependsObjectName); + for (int k = 0; k < attributes.length; k++) { + if (mbeanRefName.equals(attributes[k].getName())) { + String typeName = attributes[k].getType(); + if (!"javax.management.ObjectName".equals(typeName)) { - if (mBeanRefName.equals(attributes[k].getName())) - { - String typeName = attributes[k].getType(); - if (!"javax.management.ObjectName".equals(typeName)) - { - throw new DeploymentException("Trying to set " + mBeanRefName + " as an MBeanRef when it is not of type ObjectName"); - } // end of if () - - log.debug(mBeanRefName + " set to " + mBeanRefValue + " in " + objectName); - server.setAttribute(objectName, new Attribute(mBeanRefName, mBeanRefObjectName)); - - break namefound; - }//name test - }//for - throw new DeploymentException("No Attribute found with name: " + mBeanRefName); - } // end of else - //breaks to here - } - // Set lists of mbean references (object names) + throw new DeploymentException("Trying to set " + mbeanRefName + " as an MBeanRef when it is not of type ObjectName"); + } // end of if () + if (!mbeans.contains(dependsObjectName)) + { + mbeans.add(dependsObjectName); + } // end of if () + + log.debug(mbeanRefName + " set to " + value); + server.setAttribute(objectName, new Attribute(mbeanRefName, dependsObjectName)); + + break; + } + } + } - NodeList mBeanRefLists = mbeanElement.getElementsByTagName("mbean-ref-list"); - for (int j = 0; j < mBeanRefLists.getLength(); j++) - { + + // Set lists of mbean references (object names) + + NodeList mBeanRefLists = mbeanElement.getElementsByTagName("depends-list"); + for (int j = 0; j < mBeanRefLists.getLength(); j++) { Element mBeanRefListElement = (Element)mBeanRefLists.item(j); - String mBeanRefListName = mBeanRefListElement.getAttribute("name"); - //Make the list of object names, and add them to mbeanRefs. - NodeList mBeanRefList = mBeanRefListElement.getElementsByTagName("mbean-ref-list-element"); - ArrayList mBeanRefListNames = new ArrayList(); - for (int l = 0; l < mBeanRefList.getLength(); l++) - { - Element mBeanRefElement = (Element)mBeanRefList.item(l); - if (!mBeanRefElement.hasChildNodes()) - { - throw new DeploymentException("Empty mbean-ref-list-element!"); - } // end of if () - - // Get the mbeanRef value - String mBeanRefValue = ((Text)mBeanRefElement.getFirstChild()).getData().trim(); - ObjectName mBeanRefObjectName = new ObjectName(mBeanRefValue); - if (!mBeanRefListNames.contains(mBeanRefObjectName)) - { - mBeanRefListNames.add(mBeanRefObjectName); - } // end of if () - if (!mBeanRefs.contains(mBeanRefObjectName)) - { - mBeanRefs.add(mBeanRefObjectName); - } // end of if () - - } // end of for () - //Now look for the name - listnamefound: - if (mBeanRefListName == null || "".equals(mBeanRefListName)) - { - log.debug("Anonymous dependency on list of object names " + mBeanRefListNames); - - } // end of if () - else - { - for (int k = 0; k < attributes.length; k++) + String mBeanRefListName = mBeanRefListElement.getAttribute("optional-attribute-name"); + + for (int k = 0; k < attributes.length; k++) { + if (mBeanRefListName.equals(attributes[k].getName())) { + + NodeList mBeanRefList = mBeanRefListElement.getElementsByTagName("depends-list-element"); + ArrayList mBeanRefListNames = new ArrayList(); + for (int l = 0; l < mBeanRefList.getLength(); l++) { - if (mBeanRefListName.equals(attributes[k].getName())) + Element mBeanRefElement = (Element)mBeanRefList.item(l); + if (!mBeanRefElement.hasChildNodes()) + { + throw new DeploymentException("Empty depends-list-element!"); + } // end of if () + + // Get the mbeanRef value + String mBeanRefValue = ((Text)mBeanRefElement.getFirstChild()).getData().trim(); + ObjectName mBeanRefObjectName = new ObjectName(mBeanRefValue); + if (!mBeanRefListNames.contains(mBeanRefObjectName)) + { + mBeanRefListNames.add(mBeanRefObjectName); + } // end of if () + if (!mbeans.contains(mBeanRefObjectName)) { - log.debug(mBeanRefListName + " set to " + mBeanRefListNames + " in " + objectName); - server.setAttribute(objectName, new Attribute(mBeanRefListName, mBeanRefListNames)); - - break listnamefound; - }//if name matches - }//for - throw new DeploymentException("No Attribute found with name: " + mBeanRefListName); - } // end of else - //breaks to here + mbeans.add(mBeanRefObjectName); + } // end of if () + + } // end of for () + + log.debug(mBeanRefListName + " set to " + mBeanRefListNames + " in " + objectName); + server.setAttribute(objectName, new Attribute(mBeanRefListName, mBeanRefListNames)); + + break; + } + + } } - return mBeanRefs; + + + + + + return mbeans; } + + /** - * Parse an object name from the given element attribute 'name'. - * - * @param element Element to parse name from. - * @return Object name. - * - * @throws ConfigurationException Missing attribute 'name' - * (thrown if 'name' is null or ""). - * @throws MalformedObjectNameException - */ + * Parse an object name from the given element attribute 'name'. + * + * @param element Element to parse name from. + * @return Object name. + * + * @throws ConfigurationException Missing attribute 'name' + * (thrown if 'name' is null or ""). + * @throws MalformedObjectNameException + */ private ObjectName parseObjectName(final Element element) throws ConfigurationException, MalformedObjectNameException { @@ -383,17 +375,17 @@ } /** - * Checks if an attribute of a given class is writtable. - * - * @param className The name of the class to check. - * @param attribute The name of the attribute to check. - * @param type The attribute type that the setter takes. - * - * @throws Exception Unable to determin if attribute is writable. - */ + * Checks if an attribute of a given class is writtable. + * + * @param className The name of the class to check. + * @param attribute The name of the attribute to check. + * @param type The attribute type that the setter takes. + * + * @throws Exception Unable to determin if attribute is writable. + */ private boolean isAttributeWriteable(final String className, - final String attribute, - final String type) + final String attribute, + final String type) { Class arg = null; Class cls = null; @@ -435,7 +427,7 @@ try { Method m = cls.getMethod("set" + attribute, new Class[] - { arg }); + { arg }); return isSetterMethod(m); } catch (NoSuchMethodException ignore) {} @@ -444,11 +436,11 @@ } /** - * Check if the given method is a "setter" method. - * - * @param m The method to check. - * @return True if the method is a "setter" method. - */ + * Check if the given method is a "setter" method. + * + * @param m The method to check. + * @return True if the method is a "setter" method. + */ private boolean isSetterMethod(final Method m) { if (m != null)
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