/**
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided
* that the following conditions are met:
*
* 1. Redistributions of source code must retain copyright
* statements and notices. Redistributions must also contain a
* copy of this document.
*
* 2. Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. The name "Exolab" must not be used to endorse or promote
* products derived from this Software without prior written
* permission of Intalio, Inc. For written permission,
* please contact info@exolab.org.
*
* 4. Products derived from this Software may not be called "Exolab"
* nor may "Exolab" appear in their names without prior written
* permission of Intalio, Inc. Exolab is a registered
* trademark of Intalio, Inc.
*
* 5. Due credit should be given to the Exolab Project
* (http://www.exolab.org/).
*
* THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* INTALIO, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 1999-2002 (C) Intalio, Inc. All Rights Reserved.
*/
package org.exolab.javasource;
import java.util.Enumeration;
import org.exolab.castor.builder.SourceGenerator;
/**
* A representation of the Java Source code for a Java Class. This is a useful
* utility when creating in memory source code. This package was modelled after
* the Java Reflection API as much as possible to reduce the learning curve.
*
* @author <a href="mailto:keith AT kvisco DOT com">Keith Visco</a>
* @author <a href="mailto:skopp AT riege DOT de">Martin Skopp</a>
* @version $Revision$ $Date: 2005-05-08 12:32:06 -0600 (Sun, 08 May 2005) $
*/
public class JClass extends AbstractJClass {
/** The superclass for this JClass. */
private JTypeName _superClass;
/**
* Creates a new JClass with the given name.
*
* @param name The name of the JClass to create.
*/
public JClass(final String name) {
super(name);
_superClass = null;
}
/**
* {@inheritDoc}
*/
public final void addImport(final String className) {
if ((className == null) || (className.length() == 0)) {
return;
}
JTypeName jtName = new JTypeName(className);
String cls = jtName.getLocalName();
String pkg = jtName.getPackageName();
// If we are extending a class from the default package which conflicts
// with this import then we cannot import this class
if (_superClass != null && _superClass.getLocalName().equals(cls)) {
if (_superClass.getPackageName() == null && pkg != null) {
return;
}
}
addImportInternal(className);
}
/**
* {@inheritDoc}
*/
public void addMember(final JMember jMember) {
if (jMember instanceof AbstractJField) {
addField((JField) jMember);
} else if (jMember instanceof JConstant) {
addConstant(((JConstant) jMember));
} else if (jMember instanceof JMethod) {
addMethod((JMethod) jMember);
} else {
String error = null;
if (jMember == null) {
error = "the argument 'jMember' must not be null.";
} else {
error = "Cannot add JMember '" + jMember.getClass().getName()
+ "' to JClass, unrecognized type.";
}
throw new IllegalArgumentException(error);
}
}
/**
* Returns the super class that this class extends.
*
* @return superClass The super class that this class extends.
*/
public final JTypeName getSuperClass() {
return _superClass;
}
/**
* Returns the qualified name of the super class that this class extends.
*
* @return superClass The qualified name of the super class that this class extends.
*/
public final String getSuperClassQualifiedName() {
if (_superClass == null) { return null; }
return _superClass.getQualifiedName();
}
/**
* Sets the super Class that this class extends.
*
* @param superClass The super Class that this Class extends.
*/
public final void setSuperClass(final String superClass) {
if (superClass == null) {
_superClass = null;
} else {
_superClass = new JTypeName(superClass);
}
}
/**
* {@inheritDoc}
*
* @deprecated Please use the Velocity-template based approach instead.
* @see SourceGenerator#setJClassPrinterType(String)
*/
public void print(final JSourceWriter jsw, final boolean classOnly) {
if (jsw == null) {
throw new IllegalArgumentException("argument 'jsw' should not be null.");
}
//-- print class headers (comment header, package, imports) if desired
if (!classOnly) {
printClassHeaders(jsw);
}
getJDocComment().print(jsw);
printClassDefinitionLine(jsw); // includes the opening '{'
jsw.writeln();
jsw.indent();
printConstantDefinitions(jsw);
printMemberVariables(jsw);
printStaticInitializers(jsw);
printConstructors(jsw);
printMethods(jsw);
printInnerClasses(jsw);
printSourceCodeFragments(jsw);
jsw.unindent();
jsw.writeln('}');
jsw.flush();
}
/**
* Writes to the JSourceWriter the line that defines this class. This
* line includes the class name, extends and implements entries, and
* any modifiers such as "private".
*
* @param jsw The JSourceWriter to be used.
*/
private void printClassDefinitionLine(final JSourceWriter jsw) {
StringBuilder buffer = new StringBuilder(32);
//-- first print our annotations
getAnnotatedElementHelper().printAnnotations(jsw);
//-- next our modifiers
JModifiers modifiers = getModifiers();
if (modifiers.isPrivate()) {
buffer.append("private ");
} else if (modifiers.isPublic()) {
buffer.append("public ");
}
if (modifiers.isFinal()) {
buffer.append ("final ");
}
if (modifiers.isAbstract()) {
buffer.append("abstract ");
}
//-- next our class name plus extends and implements entries
buffer.append("class ");
buffer.append(getLocalName());
buffer.append(' ');
if (_superClass != null) {
buffer.append("extends ");
buffer.append(_superClass);
buffer.append(' ');
}
if (getInterfaceCount() > 0) {
boolean endl = false;
if ((getInterfaceCount() > 1) || (_superClass != null)) {
jsw.writeln(buffer.toString());
buffer.setLength(0);
endl = true;
}
buffer.append("implements ");
Enumeration<String> enumeration = getInterfaces();
while (enumeration.hasMoreElements()) {
buffer.append(enumeration.nextElement());
if (enumeration.hasMoreElements()) { buffer.append(", "); }
}
if (endl) {
jsw.writeln(buffer.toString());
buffer.setLength(0);
} else {
buffer.append(' ');
}
}
//-- and we're done
buffer.append('{');
jsw.writeln(buffer.toString());
buffer.setLength(0);
}
/**
* Changes the local name of this class type.
* @param localName The new local name to be used.
*/
public void changeLocalName(final String localName) {
String packageName = getPackageName();
if (packageName != null) {
setName(packageName + "." + localName);
} else {
setName(localName);
}
}
}