4:10 a.m.
Author: heiko.braun(a)jboss.com
Date: 2008-10-31 05:10:33 -0400 (Fri, 31 Oct 2008)
New Revision: 2691
Added:
projects/gwt-console/trunk/server/src/main/java/org/jboss/bpm/console/server/dao/internal/JBPM3FormParser.java
Log:
Added a prelimenary parse for jbpm3 jsf forms
Added:
projects/gwt-console/trunk/server/src/main/java/org/jboss/bpm/console/server/dao/internal/JBPM3FormParser.java
===================================================================
---
projects/gwt-console/trunk/server/src/main/java/org/jboss/bpm/console/server/dao/internal/JBPM3FormParser.java
(rev 0)
+++
projects/gwt-console/trunk/server/src/main/java/org/jboss/bpm/console/server/dao/internal/JBPM3FormParser.java 2008-10-31
09:10:33 UTC (rev 2691)
@@ -0,0 +1,321 @@
+/*
+ * JBoss, Home of Professional Open Source.
+ * Copyright 2006, Red Hat Middleware LLC, and individual contributors
+ * as indicated by the @author tags. See the copyright.txt file in the
+ * distribution for a full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+package org.jboss.bpm.console.server.dao.internal;
+
+import org.jboss.bpm.console.server.util.DOMUtils;
+import org.w3c.dom.Element;
+
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+import java.util.Iterator;
+import java.util.List;
+import java.util.ArrayList;
+
+/**
+ * @author Heiko.Braun <heiko.braun(a)jboss.com>
+ */
+public class JBPM3FormParser
+{
+ private final String JSF_FACET_NAME = "facet";
+ private final static String[] JSF_TEXT_NAMES = {"outputText",
"inputText"};
+ private final static String[] JSF_TEXTAREA_NAMES = {
"outputTextarea","inputTextarea"};
+ private final static String[] JSF_BOOLEAN_NAMES =
{"selectBooleanCheckbox"};
+ private final static String[] JSF_BUTTON_NAMES = {"saveButton",
"transitionButton"};
+
+ private List<InputField> inputFields = new ArrayList<InputField>();
+ private List<InputButton> inputButtons = new ArrayList<InputButton>();
+
+ static ParseResultVisitor DUMPING_VISITOR = new ParseResultVisitor()
+ {
+
+ public void onInputField(InputField field)
+ {
+ System.out.println(field);
+
+ }
+
+ public void onInputButton(InputButton btn)
+ {
+ System.out.println(btn);
+ }
+ };
+
+ static String test = "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0
Transitional//EN\"
\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n" +
+ "\n" +
+ "<html xmlns=\"http://www.w3.org/1999/xhtml\"\n" +
+ "\txmlns:ui=\"http://java.sun.com/jsf/facelets\"\n" +
+ "\txmlns:c=\"http://java.sun.com/jstl/core\"\n" +
+ "\txmlns:h=\"http://java.sun.com/jsf/html\"\n" +
+ "\txmlns:f=\"http://java.sun.com/jsf/core\"\n" +
+ "\txmlns:tf=\"http://jbpm.org/jsf/tf\"
xmlns:jbpm=\"http://jbpm.org/jsf\">\n" +
+ "<ui:component>\n" +
+ "\t<jbpm:dataform>\n" +
+ "\t\t<f:facet name=\"header\">\n" +
+ "\t\t\t<h:outputText value=\"#{taskName}\" />\n" +
+ "\t\t</f:facet>\n" +
+ "\t\t<jbpm:datacell>\n" +
+ "\t\t\t<f:facet name=\"header\">\n" +
+ "\t\t\t\t<h:outputText value=\"Purpose:\" />\n" +
+ "\t\t\t</f:facet>\n" +
+ "\t\t\t<h:outputText value=\"#{var['purpose']}\"
/>\n" +
+ "\t\t</jbpm:datacell>\n" +
+ "\t\t<jbpm:datacell>\n" +
+ "\t\t\t<f:facet name=\"header\">\n" +
+ "\t\t\t\t<h:outputText value=\"Description:\" />\n" +
+ "\t\t\t</f:facet>\n" +
+ "\t\t\t<h:outputText value=\"#{var['purpose']}\"
/>\n" +
+ "\t\t</jbpm:datacell>\n" +
+ "\t\t<jbpm:datacell>\n" +
+ "\t\t\t<f:facet name=\"header\">\n" +
+ "\t\t\t\t<h:outputText value=\"Self Paid\" />\n" +
+ "\t\t\t</f:facet>\n" +
+ "\t\t\t<h:selectBooleanCheckbox
value=\"#{var['selfPaid']}\" disabled=\"true\" />\n"
+
+ "\t\t</jbpm:datacell>\n" +
+ "\t\t<jbpm:datacell>\n" +
+ "\t\t\t<f:facet name=\"header\">\n" +
+ "\t\t\t\t<h:outputText value=\"Departure date\" />\n"
+
+ "\t\t\t</f:facet>\n" +
+ "\t\t\t<h:outputText value=\"#{var['departureDate']}\"
/>\n" +
+ "\t\t</jbpm:datacell>\n" +
+ "\t\t<jbpm:datacell>\n" +
+ "\t\t\t<f:facet name=\"header\">\n" +
+ "\t\t\t\t<h:outputText value=\"Number of days\" />\n"
+
+ "\t\t\t</f:facet>\n" +
+ "\t\t\t<h:outputText value=\"#{var['daysNum']}\"
/>\n" +
+ "\t\t</jbpm:datacell>\n" +
+ "\t\t<jbpm:datacell>\n" +
+ "\t\t\t<f:facet name=\"header\">\n" +
+ "\t\t\t\t<h:outputText value=\"Destination\" />\n" +
+ "\t\t\t</f:facet>\n" +
+ "\t\t\t<h:outputText value=\"#{var['country']}\"
/>\n" +
+ "\t\t</jbpm:datacell>\n" +
+ "\t\t<jbpm:datacell>\n" +
+ " <f:facet name=\"header\">\n" +
+ " <h:outputText value=\"City:\" />\n" +
+ " </f:facet>\n" +
+ " <h:outputText value=\"#{var['city']}\"
/>\n" +
+ " </jbpm:datacell>\n" +
+ "\t\t<jbpm:datacell>\n" +
+ "\t\t\t<f:facet name=\"header\">\n" +
+ "\t\t\t\t<h:outputText value=\"Actions:\" />\n" +
+ "\t\t\t</f:facet>\n" +
+ "\t\t\t<tf:saveButton value=\"Save\" />\n" +
+ "\t\t\t<tf:transitionButton value=\"Approve\"
transition=\"approve\" />\n" +
+ "\t\t\t<tf:transitionButton value=\"Reject\"
transition=\"reject\" />\n" +
+ "\t\t</jbpm:datacell>\n" +
+ "\t</jbpm:dataform>\n" +
+ "</ui:component>\n" +
+ "</html>";
+
+ public static void main(String[] args) throws Exception
+ {
+ JBPM3FormParser p = new JBPM3FormParser();
+ p.parse( new ByteArrayInputStream(test.getBytes()));
+
+ }
+
+ public void parse(InputStream in) throws Exception
+ {
+ Element root = DOMUtils.parse(in);
+ Element comp = DOMUtils.getFirstChildElement(root, "component");
+ Element dataForm = DOMUtils.getFirstChildElement(comp, "dataform");
+
+ Iterator<Element> it = DOMUtils.getChildElements(dataForm,
"datacell");
+ while(it.hasNext())
+ {
+ parseDatacell(it.next());
+ }
+
+ visitResults(DUMPING_VISITOR);
+ }
+
+ private void parseDatacell(Element datacell)
+ {
+
+ Iterator<Element> it = DOMUtils.getChildElements(datacell);
+ while(it.hasNext())
+ {
+ Element next = it.next();
+
+ // skip facet
+ String nodeName = next.getLocalName();
+ if(JSF_FACET_NAME.equals(nodeName))
+ {
+ parseFieldName(next);
+ continue;
+ }
+
+ for(String textName : JSF_TEXT_NAMES)
+ {
+ if(textName.equals(nodeName))
+ {
+ parseTextInputField(next);
+ continue;
+ }
+
+ }
+
+ for(String textName : JSF_TEXTAREA_NAMES)
+ {
+ if(textName.equals(nodeName))
+ {
+ parseTextAreaField(next);
+ continue;
+ }
+
+ }
+
+ for(String textName : JSF_BUTTON_NAMES)
+ {
+ if(textName.equals(nodeName))
+ {
+ parseButtonInputField(next);
+ continue;
+ }
+ }
+
+ for(String textName : JSF_BOOLEAN_NAMES)
+ {
+ if(textName.equals(nodeName))
+ {
+ parseBooleanInputField(next);
+ continue;
+ }
+ }
+ }
+
+ }
+
+ public void visitResults(ParseResultVisitor visitor)
+ {
+ for(InputField field : inputFields)
+ visitor.onInputField(field);
+
+ for(InputButton btn : inputButtons)
+ visitor.onInputButton(btn);
+ }
+
+ public void reset()
+ {
+ this.inputButtons.clear();
+ this.inputFields.clear();
+ }
+
+ private void parseTextAreaField(Element next)
+ {
+ String varName = DOMUtils.getAttributeValue(next, "value");
+ inputFields.add( new InputField(varName, FIELD_TYPE.TEXTAREA));
+ }
+
+ private void parseBooleanInputField(Element next)
+ {
+ String varName = DOMUtils.getAttributeValue(next, "value");
+ inputFields.add( new InputField(varName, FIELD_TYPE.BOOL));
+ }
+
+ private void parseButtonInputField(Element next)
+ {
+ String name = DOMUtils.getAttributeValue(next, "value");
+ String transition = DOMUtils.getAttributeValue(next, "transition");
+ inputButtons.add( new InputButton(name, transition));
+ }
+
+ private void parseTextInputField(Element next)
+ {
+ String varName = DOMUtils.getAttributeValue(next, "value");
+ inputFields.add( new InputField(varName, FIELD_TYPE.TEXT));
+ }
+
+ private String parseFieldName(Element facet)
+ {
+ String fieldName = "UNKOWN_FIELDNAME";
+ if("header".equals( facet.getAttribute("name")))
+ {
+ Element outputText = DOMUtils.getFirstChildElement(facet,
"outputText");
+ if(outputText!=null)
+ {
+ fieldName = DOMUtils.getAttributeValue(outputText, "value");
+ }
+ }
+
+ return fieldName;
+ }
+
+ enum FIELD_TYPE {BOOL, TEXT, TEXTAREA};
+
+ final class InputField
+ {
+ String name;
+ FIELD_TYPE type;
+
+ public InputField(String name, FIELD_TYPE type)
+ {
+ this.name = trimVarName(name);
+ this.type = type;
+ }
+
+ private String trimVarName(String varname)
+ {
+ String result = varname;
+ if(varname.startsWith("#{var['"))
+ {
+ result = varname.substring( 7, varname.length()-3);
+ }
+
+ return result;
+ }
+
+
+ public String toString()
+ {
+ return "Field{"+type + ": " + name+"}";
+ }
+ }
+
+ final class InputButton
+ {
+ String name;
+ String transition;
+
+ public InputButton(String name, String transition)
+ {
+ this.name = name;
+ this.transition = transition;
+ }
+
+ public boolean hasTransition()
+ {
+ return transition!=null;
+ }
+
+ public String toString()
+ {
+ return "Button{"+name+": "+transition+"}";
+ }
+ }
+
+ public interface ParseResultVisitor
+ {
+ void onInputField(InputField field);
+ void onInputButton(InputButton btn);
+ }
+}