Examples of org.exolab.javasource.JSourceCode

org.exolab.javasource.JSourceCode
A class for holding in-memory Java source code. @author Keith Visco @version $Revision: 7943 $ $Date: 2005-03-05 06:42:06 -0700 (Sat, 05 Mar 2005) $

     * that the configured TypeValidator should be added to.
   */
  public void validationCode (JSourceCode jsc, String fixedValue, String fieldValidatorInstanceName) {


    if (jsc == null)
      jsc = new JSourceCode();
    
    jsc.add("DurationValidator typeValidator = new DurationValidator();");
    if (hasMinimum()) {
      Duration min = getMinExclusive();
      if (min != null)

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     * that the configured TypeValidator should be added to.
   */
  public void validationCode (JSourceCode jsc, String fixedValue, String fieldValidatorInstanceName) {


    if (jsc == null)
      jsc = new JSourceCode();
    jsc.add("DateTimeValidator typeValidator = new DateTimeValidator();");
    
    if (hasMinimum()) {
      jsc.add("try {");
      jsc.indent();

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     * @param jsc the JSourceCode to fill in.
     */
     public void validationCode (JSourceCode jsc, String fixedValue, String fieldValidatorInstanceName) {
     
        if (jsc == null)
            jsc = new JSourceCode();
            
        //--TBD
     }

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        JMethod jMethod = new JMethod(null, "randomizeFields");
        jMethod.addException(new JClass("InstantiationException"));
        jMethod.addException(new JClass("IllegalAccessException"));
        jMethod.setComment("implementation of org.exolab.castor.tests.framework.CastorTestable");
        jclass.addMethod(jMethod);
        JSourceCode jsc = jMethod.getSourceCode();
        JField[] fields = jclass.getFields();
        for (int i = 0; i <fields.length; i++) {


            JField temp = fields[i];
            JType type = temp.getType();
            String name = temp.getName();
            if (name.startsWith("_"))
                name = JavaNaming.toJavaClassName(name.substring(1));
            else
                name = JavaNaming.toJavaClassName(name);
            String setName = "set" + name;
            String componentName = null;
            if (name.indexOf("Has") == -1) {
               //Collection needs a specific handling
               if ( (type.getName().equals("java.util.Vector")) ||
                    (type.getName().equals("java.util.ArrayList")) ) {
                     //if we are dealing with a Vector or an ArrayList
                    //we retrieve the type included in this Collection
                    int listLocat = name.lastIndexOf("List");
                    String tempName = name;
                    if (listLocat != -1)
                       tempName = tempName.substring(0,listLocat);
                    String methodName = JavaNaming.toJavaClassName(tempName);
                    methodName = "get"+methodName;
                    JMethod method = jclass.getMethod(methodName,0);
                    //@todo handle the Item introduced in with the group handling
                    if (method == null)
                        continue;


                    componentName = method.getReturnType().getName();
                    method = null;
                    methodName = null;
                    tempName = null;
                    jsc.add(temp.getName());
                    jsc.append(" = RandomHelper.getRandom(");
                    jsc.append(temp.getName());
                    jsc.append(", ");
                    jsc.append(componentName);
                    jsc.append(".class);");
               }//Vector or ArrayList
               else if (type.isPrimitive()) {
                 jsc.add(setName);
                 jsc.append("(RandomHelper.getRandom(");
                 jsc.append(temp.getName());
                 jsc.append("));");
               }
               else {
                 jsc.add(setName);
                 jsc.append("((");
                 jsc.append(type.getName());
                 jsc.append(")RandomHelper.getRandom(");
                 jsc.append(temp.getName());
                 jsc.append(", ");
                 jsc.append(type.getName());
                 jsc.append(".class));");
               }
                jsc.add("");
            }
        }


        //implementation of dumpFields
        jMethod = new JMethod(SGTypes.String, "dumpFields");
        jMethod.setComment("implementation of org.exolab.castor.tests.framework.CastorTestable");
        jclass.addMethod(jMethod);
        jsc = jMethod.getSourceCode();
        jsc.add("String result = \"DumpFields() for element: ");
        jsc.append(jclass.getName());
        jsc.append("\\n\";");
        for (int i = 0; i <fields.length; i++) {


            JField temp = fields[i];
            String name = temp.getName();
            if ( (temp.getType().isPrimitive()) ||
                 //hack when using the option 'primitivetowrapper'
                 //this should not interfere with other cases
                 (temp.getType().getName().startsWith("java.lang."))) {
                  jsc.add("result += \"Field ");
                  jsc.append(name);
                  jsc.append(":\" +");
                  jsc.append(name);
                  jsc.append("+\"\\n\";");
            }
            else {
                jsc.add("if ( (");
                jsc.append(name);
                jsc.append(" != null) && (");
                jsc.append(name);
                jsc.append(".getClass().isAssignableFrom(CastorTestable.class)))");
                jsc.indent();
                jsc.add("result += ((CastorTestable)");
                jsc.append(name);
                jsc.append(").dumpFields();");
                jsc.unindent();
                jsc.add("else result += \"Field ");
                jsc.append(name);
                jsc.append(":\" +");
                jsc.append(name);
                jsc.append("+\"\\n\";");
            }
            jsc.add("");
        }
        jsc.add("");
        jsc.add("return result;");
     }//CreateTestableMethods

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     * @param jClass the JClass to create the Validate methods for
    **/
    private void createValidateMethods(JClass jClass) {


        JMethod     jMethod = null;
        JSourceCode jsc     = null;


        //-- #validate
        jMethod = new JMethod(null, "validate");
        jMethod.addException(SGTypes.ValidationException);


        jClass.addMethod(jMethod);
        jsc = jMethod.getSourceCode();
        jsc.add("org.exolab.castor.xml.Validator validator = new ");
        jsc.append("org.exolab.castor.xml.Validator();");
        jsc.add("validator.validate(this);");


        //-- #isValid
        jMethod  = new JMethod(JType.Boolean, "isValid");
        jsc = jMethod.getSourceCode();
        jsc.add("try {");
        jsc.indent();
        jsc.add("validate();");
        jsc.unindent();
        jsc.add("}");
        jsc.add("catch (org.exolab.castor.xml.ValidationException vex) {");
        jsc.indent();
        jsc.add("return false;");
        jsc.unindent();
        jsc.add("}");
        jsc.add("return true;");
        jClass.addMethod(jMethod);


    } //-- createValidateMethods

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                    + " '" + fieldInfo.getNodeName() + "'.";
                sInfo.getDialog().notify(warn);
            }
        }


        JSourceCode scInitializer
            = state.jClass.getConstructor(0).getSourceCode();


        ClassInfo base = state.classInfo.getBaseClass();
        boolean present = false;
        if (base != null) {

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        JField field = new JField(SGTypes.Vector, vName);
        field.getModifiers().makePrivate();
        parent.addField(field);




        JSourceCode jsc = parent.getConstructor(0).getSourceCode();
        jsc.add("propertyChangeListeners = new Vector();");


        //---------------------------------/
        //- notifyPropertyChangeListeners -/
        //---------------------------------/


        JMethod jMethod = new JMethod(null,"notifyPropertyChangeListeners");
        jMethod.getModifiers().makeProtected();


        String desc = "Notifies all registered "+
            "PropertyChangeListeners when a bound property's value "+
            "changes.";


        JDocComment jdc = jMethod.getJDocComment();
        JDocDescriptor jdDesc = null;


        jdc.appendComment(desc);


        jMethod.addParameter(new JParameter(SGTypes.String, "fieldName"));
        jdDesc = jdc.getParamDescriptor("fieldName");
        jdDesc.setDescription("the name of the property that has changed.");


        jMethod.addParameter(new JParameter(SGTypes.Object, "oldValue"));
        jdDesc = jdc.getParamDescriptor("oldValue");
        jdDesc.setDescription("the old value of the property.");


        jMethod.addParameter(new JParameter(SGTypes.Object, "newValue"));
        jdDesc = jdc.getParamDescriptor("newValue");
        jdDesc.setDescription("the new value of the property.");


        parent.addMethod(jMethod);
        jsc = jMethod.getSourceCode();
        //--fix for bug 1026
        jsc.add("if (");
        jsc.append(vName);
        jsc.append(" == null) return;");
        
        jsc.add("java.beans.PropertyChangeEvent event = new ");
        jsc.append("java.beans.PropertyChangeEvent");
        jsc.append("(this, fieldName, oldValue, newValue);");
        jsc.add("");
        jsc.add("for (int i = 0; i < ");
        jsc.append(vName);
        jsc.append(".size(); i++) {");
        jsc.indent();
        jsc.add("((java.beans.PropertyChangeListener) ");
        jsc.append(vName);
        jsc.append(".elementAt(i)).");
        jsc.append("propertyChange(event);");
        jsc.unindent();
        jsc.add("}");


        //-----------------------------/
        //- addPropertyChangeListener -/
        //-----------------------------/


        JType jType = new JClass("java.beans.PropertyChangeListener");
        jMethod = new JMethod(null,"addPropertyChangeListener");


        desc = "Registers a PropertyChangeListener with this class.";


        jdc = jMethod.getJDocComment();
        jdc.appendComment(desc);


        jMethod.addParameter(new JParameter(jType, "pcl"));
        desc = "The PropertyChangeListener to register.";
        jdDesc = jdc.getParamDescriptor("pcl");
        jdDesc.setDescription(desc);


        parent.addMethod(jMethod);


        jsc = jMethod.getSourceCode();
        jsc.add(vName);
        jsc.append(".addElement(pcl);");


        //--------------------------------/
        //- removePropertyChangeListener -/
        //--------------------------------/


        jMethod = new JMethod(JType.Boolean,"removePropertyChangeListener");


        desc = "Removes the given PropertyChangeListener "+
            "from this classes list of ProperyChangeListeners.";


        jdc = jMethod.getJDocComment();
        jdc.appendComment(desc);


        jMethod.addParameter(new JParameter(jType, "pcl"));
        desc = "The PropertyChangeListener to remove.";
        jdDesc = jdc.getParamDescriptor("pcl");
        jdDesc.setDescription(desc);


        desc = "true if the given PropertyChangeListener was removed.";
        jdc.addDescriptor(JDocDescriptor.createReturnDesc(desc));


        parent.addMethod(jMethod);


        jsc = jMethod.getSourceCode();
        jsc.add("return ");
        jsc.append(vName);
        jsc.append(".removeElement(pcl);");


    } //-- createPropertyChangeMethods

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        if (isAbstract) {
            jMethod.getModifiers().setAbstract(true);
        }
        else {
            JSourceCode jsc = jMethod.getSourceCode();
            jsc.add("");
            jsc.add("Marshaller.marshal(this, out);");
        }




        //-- create helper marshal method
        //-- start helper marshal method, this method will
        //-- be built up as we process the given ElementDecl
        jMethod = new JMethod(null, "marshal");
        JClass jc = null;
        if (_sax1) {
            jc = new JClass("org.xml.sax.DocumentHandler");
        } else {
            jc = new JClass("org.xml.sax.ContentHandler");
            jMethod.addException(SGTypes.IOException);
        }
        jMethod.addException(SGTypes.MarshalException);
        jMethod.addException(SGTypes.ValidationException);
        jMethod.addParameter(new JParameter(jc, "handler"));
        parent.addMethod(jMethod);


        if (isAbstract) {
            jMethod.getModifiers().setAbstract(true);
        }
        else {
            JSourceCode jsc = jMethod.getSourceCode();
            jsc = jMethod.getSourceCode();
            jsc.add("");
            jsc.add("Marshaller.marshal(this, handler);");
        }


    } //-- createMarshalMethods

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        jMethod.addException(SGTypes.MarshalException);
        jMethod.addException(SGTypes.ValidationException);
        jMethod.addParameter(new JParameter(SGTypes.Reader, "reader"));
        parent.addMethod(jMethod);


        JSourceCode jsc = jMethod.getSourceCode();
        jsc.add("return (");
        jsc.append(parent.getName());
        jsc.append(") Unmarshaller.unmarshal(");
        jsc.append(parent.getName());
        jsc.append(".class, reader);");


    } //-- createUnmarshalMethods

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        JMethod jMethod = new JMethod(JType.Boolean, "equals");
        jMethod.setComment("Override the java.lang.Object.equals method");
        jMethod.setComment("Note: hashCode() has not been overriden");
        jMethod.addParameter(new JParameter(SGTypes.Object, "obj"));
        jclass.addMethod(jMethod);
        JSourceCode jsc = jMethod.getSourceCode();
        jsc.add("if ( this == obj )");
        jsc.indent();
        jsc.add("return true;");
        jsc.unindent();
    if (jclass.getSuperClass()!=null)
    {
      jsc.add("");
      jsc.add("if (super.equals(obj)==false)");
      jsc.indent();
      jsc.add("return false;");
      jsc.unindent();
    }
        jsc.add("");
        jsc.add("if (obj instanceof ");
        jsc.append(jclass.getName(true));
        jsc.append(") {");
        jsc.add("");
        jsc.indent();
        jsc.add(jclass.getName(true));
        jsc.append(" temp = (");
        jsc.append(jclass.getName(true));
        jsc.append(")obj;");
        for (int i = 0; i <fields.length; i++) {
            JField temp = fields[i];
            //Be careful to arrayList....


            String name = temp.getName();
            if (temp.getType().isPrimitive()) {
              jsc.add("if (this.");
              jsc.append(name);
              jsc.append(" != temp.");
              jsc.append(name);
              jsc.append(")");
            }
            else {
                //check first if the field
                //is not null. This can occur while comparing
                //two objects that contains non-mandatory fields.
                //We only have to check one field since x.equals(null) should return
                //false when equals() is correctly implemented.
                jsc.add("if (this.");
                jsc.append(name);
                jsc.append(" != null) {");
                jsc.indent();
                jsc.add("if (temp.");
                jsc.append(name);
                jsc.append(" == null) ");
                jsc.indent();
                jsc.append("return false;");
                jsc.unindent();
                jsc.add("else if (!(this.");
                jsc.append(name);
                jsc.append(".equals(temp.");
                jsc.append(name);
                jsc.append("))) ");
                jsc.indent();
                jsc.add("return false;");
                jsc.unindent();
                jsc.unindent();
                jsc.add("}");//end of != null
                jsc.add("else if (temp.");
                jsc.append(name);
                jsc.append(" != null)");
            }
            jsc.indent();
            jsc.add("return false;");
            jsc.unindent();
        }
        jsc.add("return true;");
        jsc.unindent();
        jsc.add("}");
        jsc.add("return false;");


     }//CreateEqualsMethod

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