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JavaModelloGenerator.java
2587 lines (2105 loc) · 94 KB
/
JavaModelloGenerator.java
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package org.codehaus.modello.plugin.java;
/*
* Copyright (c) 2004, Codehaus.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
import java.io.IOException;
import java.io.Serializable;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Properties;
import java.util.Set;
import org.codehaus.modello.ModelloException;
import org.codehaus.modello.ModelloRuntimeException;
import org.codehaus.modello.model.CodeSegment;
import org.codehaus.modello.model.Model;
import org.codehaus.modello.model.ModelAssociation;
import org.codehaus.modello.model.ModelClass;
import org.codehaus.modello.model.ModelDefault;
import org.codehaus.modello.model.ModelField;
import org.codehaus.modello.model.ModelInterface;
import org.codehaus.modello.plugin.java.javasource.JArrayType;
import org.codehaus.modello.plugin.java.javasource.JClass;
import org.codehaus.modello.plugin.java.javasource.JCollectionType;
import org.codehaus.modello.plugin.java.javasource.JConstructor;
import org.codehaus.modello.plugin.java.javasource.JDocDescriptor;
import org.codehaus.modello.plugin.java.javasource.JField;
import org.codehaus.modello.plugin.java.javasource.JInterface;
import org.codehaus.modello.plugin.java.javasource.JMapType;
import org.codehaus.modello.plugin.java.javasource.JMethod;
import org.codehaus.modello.plugin.java.javasource.JMethodSignature;
import org.codehaus.modello.plugin.java.javasource.JParameter;
import org.codehaus.modello.plugin.java.javasource.JSourceCode;
import org.codehaus.modello.plugin.java.javasource.JSourceWriter;
import org.codehaus.modello.plugin.java.javasource.JType;
import org.codehaus.modello.plugin.java.metadata.JavaAssociationMetadata;
import org.codehaus.modello.plugin.java.metadata.JavaClassMetadata;
import org.codehaus.modello.plugin.java.metadata.JavaFieldMetadata;
import org.codehaus.modello.plugin.model.ModelClassMetadata;
import org.codehaus.plexus.util.StringUtils;
/**
* @author <a href="mailto:jason@modello.org">Jason van Zyl</a>
*/
public class JavaModelloGenerator
extends AbstractJavaModelloGenerator
{
private Collection<String> immutableTypes = new HashSet<String>( Arrays.asList(
new String[]{ "boolean", "Boolean", "byte", "Byte", "char", "Character", "short", "Short", "int", "Integer",
"long", "Long", "float", "Float", "double", "Double", "String" } ) );
public void generate( Model model, Properties parameters )
throws ModelloException
{
initialize( model, parameters );
try
{
generateJava();
}
catch ( IOException ex )
{
throw new ModelloException( "Exception while generating Java.", ex );
}
}
private void generateJava()
throws ModelloException, IOException
{
Model objectModel = getModel();
ModelClass locationTrackerClass = objectModel.getLocationTracker( getGeneratedVersion() );
ModelClass sourceTrackerClass = objectModel.getSourceTracker( getGeneratedVersion() );
// ----------------------------------------------------------------------
// Generate the interfaces.
// ----------------------------------------------------------------------
for ( ModelInterface modelInterface : objectModel.getInterfaces( getGeneratedVersion() ) )
{
generateInterface( modelInterface );
}
String locationTrackerInterface = generateLocationTracker( objectModel, locationTrackerClass );
// ----------------------------------------------------------------------
// Generate the classes.
// ----------------------------------------------------------------------
for ( ModelClass modelClass : objectModel.getClasses( getGeneratedVersion() ) )
{
JavaClassMetadata javaClassMetadata = (JavaClassMetadata) modelClass.getMetadata( JavaClassMetadata.ID );
if ( !javaClassMetadata.isEnabled() )
{
// Skip generation of those classes that are not enabled for the java plugin.
continue;
}
String packageName = modelClass.getPackageName( isPackageWithVersion(), getGeneratedVersion() );
JSourceWriter sourceWriter = newJSourceWriter( packageName, modelClass.getName() );
JClass jClass = new JClass( packageName + '.' + modelClass.getName() );
initHeader( jClass );
suppressAllWarnings( objectModel, jClass );
if ( StringUtils.isNotEmpty( modelClass.getDescription() ) )
{
jClass.getJDocComment().setComment( appendPeriod( modelClass.getDescription() ) );
}
addModelImports( jClass, modelClass );
jClass.getModifiers().setAbstract( javaClassMetadata.isAbstract() );
boolean superClassInModel = false;
if ( modelClass.getSuperClass() != null )
{
jClass.setSuperClass( modelClass.getSuperClass() );
superClassInModel = isClassInModel( modelClass.getSuperClass(), objectModel );
}
for ( String implementedInterface : modelClass.getInterfaces() )
{
jClass.addInterface( implementedInterface );
}
jClass.addInterface( Serializable.class.getName() );
if ( useJava5 && !modelClass.getAnnotations().isEmpty() )
{
for ( String annotation : modelClass.getAnnotations() )
{
jClass.appendAnnotation( annotation );
}
}
JSourceCode jConstructorSource = new JSourceCode();
for ( ModelField modelField : modelClass.getFields( getGeneratedVersion() ) )
{
if ( modelField instanceof ModelAssociation )
{
createAssociation( jClass, (ModelAssociation) modelField, jConstructorSource );
}
else
{
createField( jClass, modelField );
}
}
// since 1.8
// needed to understand if the instance can be created with empty ctor or not
JConstructor jConstructor = null;
if ( !jConstructorSource.isEmpty() )
{
// Ironic that we are doing lazy init huh?
jConstructor = jClass.createConstructor();
jConstructor.setSourceCode( jConstructorSource );
jClass.addConstructor( jConstructor );
}
// ----------------------------------------------------------------------
// equals() / hashCode() / toString()
// ----------------------------------------------------------------------
List<ModelField> identifierFields = modelClass.getIdentifierFields( getGeneratedVersion() );
if ( identifierFields.size() != 0 )
{
JMethod equals = generateEquals( modelClass );
jClass.addMethod( equals );
JMethod hashCode = generateHashCode( modelClass );
jClass.addMethod( hashCode );
// backward compat
if ( !javaClassMetadata.isGenerateToString() )
{
JMethod toString = generateToString( modelClass, true );
jClass.addMethod( toString );
}
}
if ( javaClassMetadata.isGenerateToString() )
{
JMethod toString = generateToString( modelClass, false );
jClass.addMethod( toString );
}
// ----------------------------------------------------------------------
// Model.Builder
// since 1.8
// ----------------------------------------------------------------------
if ( javaClassMetadata.isGenerateBuilder() )
{
generateBuilder( modelClass, jClass.createInnerClass( "Builder" ), jConstructor );
}
// ----------------------------------------------------------------------
// Model.newXXXInstance
// since 1.8
// ----------------------------------------------------------------------
if ( javaClassMetadata.isGenerateStaticCreators() )
{
generateStaticCreator( modelClass, jClass, jConstructor );
}
boolean cloneLocations = !superClassInModel && modelClass != sourceTrackerClass;
JMethod[] cloneMethods = generateClone( modelClass, cloneLocations ? locationTrackerClass : null );
if ( cloneMethods.length > 0 )
{
jClass.addInterface( Cloneable.class.getName() );
jClass.addMethods( cloneMethods );
}
if ( modelClass.getCodeSegments( getGeneratedVersion() ) != null )
{
for ( CodeSegment codeSegment : modelClass.getCodeSegments( getGeneratedVersion() ) )
{
jClass.addSourceCode( codeSegment.getCode() );
}
}
ModelClassMetadata modelClassMetadata =
(ModelClassMetadata) modelClass.getMetadata( ModelClassMetadata.ID );
if ( modelClassMetadata != null )
{
if ( modelClassMetadata.isRootElement() )
{
ModelField modelEncoding = new ModelField( modelClass, "modelEncoding" );
modelEncoding.setType( "String" );
modelEncoding.setDefaultValue( "UTF-8" );
modelEncoding.addMetadata( new JavaFieldMetadata() );
createField( jClass, modelEncoding );
}
}
if ( modelClass == locationTrackerClass )
{
jClass.addInterface( locationTrackerInterface );
generateLocationBean( jClass, modelClass, sourceTrackerClass );
generateLocationTracking( jClass, modelClass, locationTrackerClass );
}
else if ( locationTrackerClass != null && modelClass != sourceTrackerClass && !superClassInModel )
{
jClass.addInterface( locationTrackerInterface );
generateLocationTracking( jClass, modelClass, locationTrackerClass );
}
jClass.print( sourceWriter );
sourceWriter.close();
}
}
private void generateInterface( ModelInterface modelInterface )
throws ModelloException, IOException
{
Model objectModel = modelInterface.getModel();
String packageName = modelInterface.getPackageName( isPackageWithVersion(), getGeneratedVersion() );
JSourceWriter sourceWriter = newJSourceWriter( packageName, modelInterface.getName() );
JInterface jInterface = new JInterface( packageName + '.' + modelInterface.getName() );
initHeader( jInterface );
suppressAllWarnings( objectModel, jInterface );
if ( modelInterface.getSuperInterface() != null )
{
// check if we need an import: if it is a generated superInterface in another package
try
{
ModelInterface superInterface =
objectModel.getInterface( modelInterface.getSuperInterface(), getGeneratedVersion() );
String superPackageName =
superInterface.getPackageName( isPackageWithVersion(), getGeneratedVersion() );
if ( !packageName.equals( superPackageName ) )
{
jInterface.addImport( superPackageName + '.' + superInterface.getName() );
}
}
catch ( ModelloRuntimeException mre )
{
// no problem if the interface does not exist in the model, it can be in the jdk
}
jInterface.addInterface( modelInterface.getSuperInterface() );
}
if ( modelInterface.getCodeSegments( getGeneratedVersion() ) != null )
{
for ( CodeSegment codeSegment : modelInterface.getCodeSegments( getGeneratedVersion() ) )
{
jInterface.addSourceCode( codeSegment.getCode() );
}
}
if ( useJava5 && !modelInterface.getAnnotations().isEmpty() )
{
for ( String annotation : modelInterface.getAnnotations() )
{
jInterface.appendAnnotation( annotation );
}
}
jInterface.print( sourceWriter );
sourceWriter.close();
}
private JMethod generateEquals( ModelClass modelClass )
{
JMethod equals = new JMethod( "equals", JType.BOOLEAN, null );
equals.addParameter( new JParameter( new JClass( "Object" ), "other" ) );
JSourceCode sc = equals.getSourceCode();
sc.add( "if ( this == other )" );
sc.add( "{" );
sc.addIndented( "return true;" );
sc.add( "}" );
sc.add( "" );
sc.add( "if ( !( other instanceof " + modelClass.getName() + " ) )" );
sc.add( "{" );
sc.addIndented( "return false;" );
sc.add( "}" );
sc.add( "" );
sc.add( modelClass.getName() + " that = (" + modelClass.getName() + ") other;" );
sc.add( "boolean result = true;" );
sc.add( "" );
for ( ModelField identifier : modelClass.getIdentifierFields( getGeneratedVersion() ) )
{
String name = identifier.getName();
if ( "boolean".equals( identifier.getType() ) || "byte".equals( identifier.getType() ) || "char".equals(
identifier.getType() ) || "double".equals( identifier.getType() ) || "float".equals(
identifier.getType() ) || "int".equals( identifier.getType() ) || "short".equals( identifier.getType() )
|| "long".equals( identifier.getType() ) )
{
sc.add( "result = result && " + name + " == that." + name + ";" );
}
else
{
name = "get" + capitalise( name ) + "()";
sc.add(
"result = result && ( " + name + " == null ? that." + name + " == null : " + name + ".equals( that."
+ name + " ) );" );
}
}
if ( modelClass.getSuperClass() != null )
{
sc.add( "result = result && ( super.equals( other ) );" );
}
sc.add( "" );
sc.add( "return result;" );
return equals;
}
private JMethod generateToString( ModelClass modelClass, boolean onlyIdentifierFields )
{
JMethod toString = new JMethod( "toString", new JType( String.class.getName() ), null );
List<ModelField> fields = onlyIdentifierFields ? modelClass.getIdentifierFields( getGeneratedVersion() ) : modelClass.getFields( getGeneratedVersion() );
JSourceCode sc = toString.getSourceCode();
if ( fields.size() == 0 )
{
sc.add( "return super.toString();" );
return toString;
}
if ( useJava5 )
{
sc.add( "StringBuilder buf = new StringBuilder( 128 );" );
}
else
{
sc.add( "StringBuilder buf = new StringBuilder( 128 );" );
}
sc.add( "" );
for ( Iterator<ModelField> j = fields.iterator(); j.hasNext(); )
{
ModelField identifier = j.next();
String getter = "boolean".equals( identifier.getType() ) ? "is" : "get";
sc.add( "buf.append( \"" + identifier.getName() + " = '\" );" );
sc.add( "buf.append( " + getter + capitalise( identifier.getName() ) + "() );" );
sc.add( "buf.append( \"'\" );" );
if ( j.hasNext() )
{
sc.add( "buf.append( \"\\n\" ); " );
}
}
if ( modelClass.getSuperClass() != null )
{
sc.add( "buf.append( \"\\n\" );" );
sc.add( "buf.append( super.toString() );" );
}
sc.add( "" );
sc.add( "return buf.toString();" );
return toString;
}
private JMethod generateHashCode( ModelClass modelClass )
{
JMethod hashCode = new JMethod( "hashCode", JType.INT, null );
List<ModelField> identifierFields = modelClass.getIdentifierFields( getGeneratedVersion() );
JSourceCode sc = hashCode.getSourceCode();
if ( identifierFields.size() == 0 )
{
sc.add( "return super.hashCode();" );
return hashCode;
}
sc.add( "int result = 17;" );
sc.add( "" );
for ( ModelField identifier : identifierFields )
{
sc.add( "result = 37 * result + " + createHashCodeForField( identifier ) + ";" );
}
if ( modelClass.getSuperClass() != null )
{
sc.add( "result = 37 * result + super.hashCode();" );
}
sc.add( "" );
sc.add( "return result;" );
return hashCode;
}
private JMethod[] generateClone( ModelClass modelClass, ModelClass locationClass )
throws ModelloException
{
String cloneModeClass = getCloneMode( modelClass );
if ( JavaClassMetadata.CLONE_NONE.equals( cloneModeClass ) )
{
return new JMethod[0];
}
JType returnType;
if ( useJava5 )
{
returnType = new JClass( modelClass.getName() );
}
else
{
returnType = new JClass( "Object" );
}
JMethod cloneMethod = new JMethod( "clone", returnType, null );
JSourceCode sc = cloneMethod.getSourceCode();
sc.add( "try" );
sc.add( "{" );
sc.indent();
sc.add( modelClass.getName() + " copy = (" + modelClass.getName() + ") super.clone();" );
sc.add( "" );
for ( ModelField modelField : modelClass.getFields( getGeneratedVersion() ) )
{
String thisField = "this." + modelField.getName();
String copyField = "copy." + modelField.getName();
if ( "DOM".equals( modelField.getType() ) )
{
sc.add( "if ( " + thisField + " != null )" );
sc.add( "{" );
if ( domAsXpp3 )
{
sc.addIndented( copyField
+ " = new org.codehaus.plexus.util.xml.Xpp3Dom( (org.codehaus.plexus.util.xml.Xpp3Dom) "
+ thisField + " );" );
}
else
{
sc.addIndented( copyField + " = ( (org.w3c.dom.Node) " + thisField + ").cloneNode( true );" );
}
sc.add( "}" );
sc.add( "" );
}
else if ( "Date".equalsIgnoreCase( modelField.getType() ) || "java.util.Date".equals(
modelField.getType() ) )
{
sc.add( "if ( " + thisField + " != null )" );
sc.add( "{" );
sc.addIndented( copyField + " = (java.util.Date) " + thisField + ".clone();" );
sc.add( "}" );
sc.add( "" );
}
else if ( ModelDefault.PROPERTIES.equals( modelField.getType() ) )
{
sc.add( "if ( " + thisField + " != null )" );
sc.add( "{" );
sc.addIndented( copyField + " = (" + ModelDefault.PROPERTIES + ") " + thisField + ".clone();" );
sc.add( "}" );
sc.add( "" );
}
else if ( modelField instanceof ModelAssociation )
{
ModelAssociation modelAssociation = (ModelAssociation) modelField;
String cloneModeAssoc = getCloneMode( modelAssociation, cloneModeClass );
boolean deepClone =
JavaAssociationMetadata.CLONE_DEEP.equals( cloneModeAssoc ) && !immutableTypes.contains(
modelAssociation.getTo() );
if ( modelAssociation.isOneMultiplicity() )
{
if ( deepClone )
{
sc.add( "if ( " + thisField + " != null )" );
sc.add( "{" );
sc.addIndented(
copyField + " = (" + modelAssociation.getTo() + ") " + thisField + ".clone();" );
sc.add( "}" );
sc.add( "" );
}
}
else
{
sc.add( "if ( " + thisField + " != null )" );
sc.add( "{" );
sc.indent();
JavaAssociationMetadata javaAssociationMetadata = getJavaAssociationMetadata( modelAssociation );
JType componentType = getComponentType( modelAssociation, javaAssociationMetadata );
sc.add( copyField + " = " + getDefaultValue( modelAssociation, componentType ) + ";" );
if ( isCollection( modelField.getType() ) )
{
if ( deepClone )
{
if ( useJava5 )
{
sc.add( "for ( " + componentType.getName() + " item : " + thisField + " )" );
}
else
{
sc.add( "for ( java.util.Iterator it = " + thisField + ".iterator(); it.hasNext(); )" );
}
sc.add( "{" );
sc.indent();
if ( useJava5 )
{
sc.add( copyField + ".add( ( (" + modelAssociation.getTo() + ") item).clone() );" );
}
else
{
sc.add(
copyField + ".add( ( (" + modelAssociation.getTo() + ") it.next() ).clone() );" );
}
sc.unindent();
sc.add( "}" );
}
else
{
sc.add( copyField + ".addAll( " + thisField + " );" );
}
}
else if ( isMap( modelField.getType() ) )
{
sc.add( copyField + ".clear();" );
sc.add( copyField + ".putAll( " + thisField + " );" );
}
sc.unindent();
sc.add( "}" );
sc.add( "" );
}
}
}
if ( locationClass != null )
{
String locationField =
( (ModelClassMetadata) locationClass.getMetadata( ModelClassMetadata.ID ) ).getLocationTracker();
sc.add( "if ( copy." + locationField + " != null )" );
sc.add( "{" );
sc.indent();
sc.add( "copy." + locationField + " = new java.util.LinkedHashMap" + "( copy." + locationField + " );" );
sc.unindent();
sc.add( "}" );
sc.add( "" );
}
String cloneHook = getCloneHook( modelClass );
if ( StringUtils.isNotEmpty( cloneHook ) && !"false".equalsIgnoreCase( cloneHook ) )
{
if ( "true".equalsIgnoreCase( cloneHook ) )
{
cloneHook = "cloneHook";
}
sc.add( cloneHook + "( copy );" );
sc.add( "" );
}
sc.add( "return copy;" );
sc.unindent();
sc.add( "}" );
sc.add( "catch ( " + Exception.class.getName() + " ex )" );
sc.add( "{" );
sc.indent();
sc.add( "throw (" + RuntimeException.class.getName() + ") new " + UnsupportedOperationException.class.getName()
+ "( getClass().getName()" );
sc.addIndented( "+ \" does not support clone()\" ).initCause( ex );" );
sc.unindent();
sc.add( "}" );
return new JMethod[]{ cloneMethod };
}
private String getCloneMode( ModelClass modelClass )
throws ModelloException
{
String cloneMode = null;
for ( ModelClass currentClass = modelClass; ; )
{
JavaClassMetadata javaClassMetadata = (JavaClassMetadata) currentClass.getMetadata( JavaClassMetadata.ID );
cloneMode = javaClassMetadata.getCloneMode();
if ( cloneMode != null )
{
break;
}
String superClass = currentClass.getSuperClass();
if ( StringUtils.isEmpty( superClass ) || !isClassInModel( superClass, getModel() ) )
{
break;
}
currentClass = getModel().getClass( superClass, getGeneratedVersion() );
}
if ( cloneMode == null )
{
cloneMode = JavaClassMetadata.CLONE_NONE;
}
else if ( !JavaClassMetadata.CLONE_MODES.contains( cloneMode ) )
{
throw new ModelloException(
"The Java Modello Generator cannot use '" + cloneMode + "' as a value for <class java.clone=\"...\">, "
+ "only the following values are acceptable " + JavaClassMetadata.CLONE_MODES );
}
return cloneMode;
}
private String getCloneMode( ModelAssociation modelAssociation, String cloneModeClass )
throws ModelloException
{
JavaAssociationMetadata javaAssociationMetadata =
(JavaAssociationMetadata) modelAssociation.getAssociationMetadata( JavaAssociationMetadata.ID );
String cloneModeAssoc = javaAssociationMetadata.getCloneMode();
if ( cloneModeAssoc == null )
{
cloneModeAssoc = cloneModeClass;
}
else if ( !JavaAssociationMetadata.CLONE_MODES.contains( cloneModeAssoc ) )
{
throw new ModelloException( "The Java Modello Generator cannot use '" + cloneModeAssoc
+ "' as a value for <association java.clone=\"...\">, "
+ "only the following values are acceptable "
+ JavaAssociationMetadata.CLONE_MODES );
}
return cloneModeAssoc;
}
private String getCloneHook( ModelClass modelClass )
throws ModelloException
{
JavaClassMetadata javaClassMetadata = (JavaClassMetadata) modelClass.getMetadata( JavaClassMetadata.ID );
return javaClassMetadata.getCloneHook();
}
private String generateLocationTracker( Model objectModel, ModelClass locationClass )
throws ModelloException, IOException
{
if ( locationClass == null )
{
return null;
}
String locationField =
( (ModelClassMetadata) locationClass.getMetadata( ModelClassMetadata.ID ) ).getLocationTracker();
String propertyName = capitalise( singular( locationField ) );
String interfaceName = locationClass.getName() + "Tracker";
String packageName = locationClass.getPackageName( isPackageWithVersion(), getGeneratedVersion() );
JSourceWriter sourceWriter = newJSourceWriter( packageName, interfaceName );
JInterface jInterface = new JInterface( packageName + '.' + interfaceName );
initHeader( jInterface );
suppressAllWarnings( objectModel, jInterface );
JMethodSignature jMethod = new JMethodSignature( "get" + propertyName, new JType( locationClass.getName() ) );
jMethod.setComment( "Gets the location of the specified field in the input source." );
addParameter( jMethod, "Object", "field", "The key of the field, must not be <code>null</code>." );
String returnDoc = "The location of the field in the input source or <code>null</code> if unknown.";
jMethod.getJDocComment().addDescriptor( JDocDescriptor.createReturnDesc( returnDoc ) );
jInterface.addMethod( jMethod );
jMethod = new JMethodSignature( "set" + propertyName, null );
jMethod.setComment( "Sets the location of the specified field." );
addParameter( jMethod, "Object", "field", "The key of the field, must not be <code>null</code>." );
addParameter( jMethod, locationClass.getName(), singular( locationField ),
"The location of the field, may be <code>null</code>." );
jInterface.addMethod( jMethod );
jInterface.print( sourceWriter );
sourceWriter.close();
return jInterface.getName();
}
private void generateLocationTracking( JClass jClass, ModelClass modelClass, ModelClass locationClass )
throws ModelloException
{
if ( locationClass == null )
{
return;
}
String superClass = modelClass.getSuperClass();
ModelClassMetadata metadata = (ModelClassMetadata) locationClass.getMetadata( ModelClassMetadata.ID );
String locationField = metadata.getLocationTracker();
boolean hasModeSuperClass = StringUtils.isNotEmpty(superClass) && isClassInModel(superClass, getModel());
if (!hasModeSuperClass)
{
String fieldType = "java.util.Map" + ( useJava5 ? "<Object, " + locationClass.getName() + ">" : "" );
String fieldImpl = "java.util.LinkedHashMap" + ( useJava5 ? "<Object, " + locationClass.getName() + ">" : "" );
// private java.util.Map<Object, Location> locations;
JField jField = new JField( new JType( fieldType ), locationField );
jClass.addField( jField );
// public Location getOtherLocation( Object key )
JMethod getter =
new JMethod( "getOther" + capitalise( singular( locationField ) ), new JType( locationClass.getName() ), null );
getter.addParameter( new JParameter( new JType( "Object" ), "key" ) );
getter.getModifiers().makePrivate();
JSourceCode getterSc = getter.getSourceCode();
getterSc.add( "return ( " + locationField + " != null ) ? " + locationField + ".get( key ) : null;" );
getter.setComment( "" );
jClass.addMethod( getter );
// public void setOtherLocation( Object key, Location location )
JMethod setter = new JMethod( "setOther" + capitalise( singular( locationField ) ) );
setter.addParameter( new JParameter( new JType( "Object" ), "key" ) );
setter.addParameter( new JParameter( new JType( locationClass.getName() ), singular( locationField ) ) );
JSourceCode setterSc = setter.getSourceCode();
setterSc.add( "if ( " + singular( locationField ) + " != null )" );
setterSc.add( "{" );
setterSc.indent();
setterSc.add( "if ( this." + locationField + " == null )" );
setterSc.add( "{" );
setterSc.addIndented( "this." + locationField + " = new " + fieldImpl + "();" );
setterSc.add( "}" );
setterSc.add( "this." + locationField + ".put( key, " + singular( locationField ) + " );" );
setterSc.unindent();
setterSc.add( "}" );
setter.setComment( "" );
jClass.addMethod( setter );
}
JField ownLocation = new JField( new JType( locationClass.getName() ), singular( locationField ) );
jClass.addField( ownLocation );
for (ModelField field : modelClass.getAllFields())
{
JField fieldLocation = new JField( new JType( locationClass.getName() ), field.getName() + capitalise( singular( locationField ) ) );
jClass.addField( fieldLocation );
}
// public Location getLocation( Object key )
JMethod getter =
new JMethod( "get" + capitalise( singular( locationField ) ), new JType( locationClass.getName() ), null );
getter.addParameter( new JParameter( new JType( "Object" ), "key" ) );
JSourceCode getterSc = getter.getSourceCode();
getterSc.add( "if ( key instanceof String )" );
getterSc.add( "{" );
getterSc.indent();
getterSc.add( "switch ( ( String ) key )" );
getterSc.add( "{" );
getterSc.indent();
getterSc.add( "case \"\" :" );
getterSc.add( "{" );
getterSc.indent();
getterSc.add( "return this." + singular( locationField ) + ";" );
getterSc.unindent();
getterSc.add( "}" );
for (ModelField field : modelClass.getAllFields())
{
getterSc.add( "case \"" + field.getName() + "\" :" );
getterSc.add( "{" );
getterSc.indent();
getterSc.add( "return " + field.getName() + capitalise( singular( locationField ) ) + ";" );
getterSc.unindent();
getterSc.add( "}" );
}
getterSc.add( "default :" );
getterSc.add( "{" );
getterSc.indent();
if (hasModeSuperClass)
{
getterSc.add( "return super.get" + capitalise( singular( locationField ) ) + "( key );" );
}
else
{
getterSc.add( "return getOther" + capitalise( singular( locationField ) ) + "( key );" );
}
getterSc.unindent();
getterSc.add( "}" );
getterSc.add( "}" );
getterSc.unindent();
getterSc.add( "}" );
getterSc.add( "else" );
getterSc.add( "{" );
getterSc.indent();
if (hasModeSuperClass)
{
getterSc.add( "return super.get" + capitalise( singular( locationField ) ) + "( key );" );
}
else
{
getterSc.add( "return getOther" + capitalise( singular( locationField ) ) + "( key );" );
}
getterSc.unindent();
getterSc.add( "}" );
getter.setComment( "" );
jClass.addMethod( getter );
// public void setLocation( Object key, Location location )
JMethod setter = new JMethod( "set" + capitalise( singular( locationField ) ) );
setter.addParameter( new JParameter( new JType( "Object" ), "key" ) );
setter.addParameter( new JParameter( new JType( locationClass.getName() ), singular( locationField ) ) );
JSourceCode setterSc = setter.getSourceCode();
setterSc.add( "if ( key instanceof String )" );
setterSc.add( "{" );
setterSc.indent();
setterSc.add( "switch ( ( String ) key )" );
setterSc.add( "{" );
setterSc.indent();
setterSc.add( "case \"\" :" );
setterSc.add( "{" );
setterSc.indent();
setterSc.add( "this." + singular( locationField ) + " = " + singular(locationField) + ";" );
setterSc.add("return;");
setterSc.unindent();
setterSc.add( "}" );
for (ModelField field : modelClass.getAllFields())
{
setterSc.add( "case \"" + field.getName()+ "\" :" );
setterSc.add( "{" );
setterSc.indent();
setterSc.add( field.getName() + capitalise( singular( locationField ) ) + " = " + singular(locationField) + ";" );
setterSc.add("return;");
setterSc.unindent();
setterSc.add( "}" );
}
setterSc.add( "default :" );
setterSc.add( "{" );
setterSc.indent();
if (hasModeSuperClass)
{
setterSc.add( "super.set" + capitalise( singular( locationField ) ) + "( key, " + singular(locationField) + " );" );
}
else
{
setterSc.add( "setOther" + capitalise( singular( locationField ) ) + "( key, " + singular(locationField) + " );" );
}
setterSc.add("return;");
setterSc.unindent();
setterSc.add( "}" );
setterSc.add( "}" );
setterSc.unindent();
setterSc.add( "}" );
setterSc.add( "else" );
setterSc.add( "{" );
setterSc.indent();
if (hasModeSuperClass)
{
setterSc.add( "super.set" + capitalise( singular( locationField ) ) + "( key, " + singular(locationField) + " );" );
}
else
{
setterSc.add( "setOther" + capitalise( singular( locationField ) ) + "( key, " + singular(locationField) + " );" );
}
setterSc.unindent();
setterSc.add( "}" );
setter.setComment( "" );
jClass.addMethod( setter );
}
private void generateLocationBean( JClass jClass, ModelClass locationClass, ModelClass sourceClass )
throws ModelloException
{
jClass.getModifiers().setFinal( true );
String locationsField =
( (ModelClassMetadata) locationClass.getMetadata( ModelClassMetadata.ID ) ).getLocationTracker();
JavaFieldMetadata readOnlyField = new JavaFieldMetadata();
readOnlyField.setSetter( false );
// int lineNumber;
ModelField lineNumber = new ModelField( locationClass, "lineNumber" );
lineNumber.setDescription( "The one-based line number. The value will be non-positive if unknown." );