Author: mcucchiara Date: Sat Oct 29 11:16:20 2011 New Revision: 1194873 URL: http://svn.apache.org/viewvc?rev=1194873&view=rev Log: OGNL-11: fixed checkstyle errors
Modified: commons/proper/ognl/trunk/src/main/java/org/apache/commons/ognl/enhance/ExpressionCompiler.java Modified: commons/proper/ognl/trunk/src/main/java/org/apache/commons/ognl/enhance/ExpressionCompiler.java URL: http://svn.apache.org/viewvc/commons/proper/ognl/trunk/src/main/java/org/apache/commons/ognl/enhance/ExpressionCompiler.java?rev=1194873&r1=1194872&r2=1194873&view=diff ============================================================================== --- commons/proper/ognl/trunk/src/main/java/org/apache/commons/ognl/enhance/ExpressionCompiler.java (original) +++ commons/proper/ognl/trunk/src/main/java/org/apache/commons/ognl/enhance/ExpressionCompiler.java Sat Oct 29 11:16:20 2011 @@ -74,14 +74,14 @@ public class ExpressionCompiler /** * {@link ClassLoader} instances. */ - protected Map<ClassResolver, EnhancedClassLoader> _loaders = new HashMap<ClassResolver, EnhancedClassLoader>(); + protected Map<ClassResolver, EnhancedClassLoader> loaders = new HashMap<ClassResolver, EnhancedClassLoader>(); /** * Javassist class definition poool. */ - protected ClassPool _pool; + protected ClassPool pool; - protected int _classCounter = 0; + protected int classCounter = 0; /** * Used by {@link #castExpression(org.apache.commons.ognl.OgnlContext, org.apache.commons.ognl.Node, String)} to @@ -151,19 +151,21 @@ public class ExpressionCompiler if ( ( !ASTList.class.isInstance( expression ) && !ASTVarRef.class.isInstance( expression ) && !ASTStaticMethod.class.isInstance( expression ) && !ASTStaticField.class.isInstance( expression ) && !ASTConst.class.isInstance( expression ) && !ExpressionNode.class.isInstance( expression ) - && !ASTCtor.class.isInstance( expression ) && !ASTStaticMethod.class.isInstance( expression ) && root != null ) - || ( root != null && ASTRootVarRef.class.isInstance( expression ) ) ) + && !ASTCtor.class.isInstance( expression ) && !ASTStaticMethod.class.isInstance( expression ) + && root != null ) || ( root != null && ASTRootVarRef.class.isInstance( expression ) ) ) { Class<?> castClass = OgnlRuntime.getCompiler( context ).getRootExpressionClass( expression, context ); - if ( castClass.isArray() || ASTRootVarRef.class.isInstance( expression ) - || ASTThisVarRef.class.isInstance( expression ) ) + if ( castClass.isArray() || ASTRootVarRef.class.isInstance( expression ) || ASTThisVarRef.class.isInstance( + expression ) ) { rootExpr = "((" + getCastString( castClass ) + ")$2)"; if ( ASTProperty.class.isInstance( expression ) && !( (ASTProperty) expression ).isIndexedAccess() ) + { rootExpr += "."; + } } else if ( ( ASTProperty.class.isInstance( expression ) && ( (ASTProperty) expression ).isIndexedAccess() ) || ASTChain.class.isInstance( expression ) ) @@ -182,7 +184,7 @@ public class ExpressionCompiler /** * Used by {@link #getRootExpression(org.apache.commons.ognl.Node, Object, org.apache.commons.ognl.OgnlContext)} to * determine if the expression needs to be cast at all. - * + * * @param expression The node to check against. * @return Yes if the node type should be cast - false otherwise. */ @@ -192,9 +194,11 @@ public class ExpressionCompiler { Node child = expression.jjtGetChild( 0 ); if ( ASTConst.class.isInstance( child ) || ASTStaticMethod.class.isInstance( child ) - || ASTStaticField.class.isInstance( child ) - || ( ASTVarRef.class.isInstance( child ) && !ASTRootVarRef.class.isInstance( child ) ) ) + || ASTStaticField.class.isInstance( child ) || ( ASTVarRef.class.isInstance( child ) + && !ASTRootVarRef.class.isInstance( child ) ) ) + { return false; + } } return !ASTConst.class.isInstance( expression ); @@ -205,24 +209,21 @@ public class ExpressionCompiler */ public String castExpression( OgnlContext context, Node expression, String body ) { - // ok - so this looks really f-ed up ...and it is ..eh if you can do it better I'm all for it :) + //TODO: ok - so this looks really f-ed up ...and it is ..eh if you can do it better I'm all for it :) - if ( context.getCurrentAccessor() == null - || context.getPreviousType() == null - || context.getCurrentAccessor().isAssignableFrom( context.getPreviousType() ) - || ( context.getCurrentType() != null && context.getCurrentObject() != null - && context.getCurrentType().isAssignableFrom( context.getCurrentObject().getClass() ) && context.getCurrentAccessor().isAssignableFrom( context.getPreviousType() ) ) - || body == null - || body.trim().length() < 1 - || ( context.getCurrentType() != null && context.getCurrentType().isArray() && ( context.getPreviousType() == null || context.getPreviousType() != Object.class ) ) - || ASTOr.class.isInstance( expression ) - || ASTAnd.class.isInstance( expression ) - || ASTRootVarRef.class.isInstance( expression ) - || context.getCurrentAccessor() == Class.class - || ( context.get( ExpressionCompiler.PRE_CAST ) != null && ( (String) context.get( ExpressionCompiler.PRE_CAST ) ).startsWith( "new" ) ) - || ASTStaticField.class.isInstance( expression ) - || ASTStaticMethod.class.isInstance( expression ) - || ( OrderedReturn.class.isInstance( expression ) && ( (OrderedReturn) expression ).getLastExpression() != null ) ) + if ( context.getCurrentAccessor() == null || context.getPreviousType() == null + || context.getCurrentAccessor().isAssignableFrom( context.getPreviousType() ) || ( + context.getCurrentType() != null && context.getCurrentObject() != null + && context.getCurrentType().isAssignableFrom( context.getCurrentObject().getClass() ) + && context.getCurrentAccessor().isAssignableFrom( context.getPreviousType() ) ) || body == null + || body.trim().length() < 1 || ( context.getCurrentType() != null && context.getCurrentType().isArray() && ( + context.getPreviousType() == null || context.getPreviousType() != Object.class ) ) + || ASTOr.class.isInstance( expression ) || ASTAnd.class.isInstance( expression ) + || ASTRootVarRef.class.isInstance( expression ) || context.getCurrentAccessor() == Class.class || ( + context.get( ExpressionCompiler.PRE_CAST ) != null && ( (String) context.get( + ExpressionCompiler.PRE_CAST ) ).startsWith( "new" ) ) || ASTStaticField.class.isInstance( expression ) + || ASTStaticMethod.class.isInstance( expression ) || ( OrderedReturn.class.isInstance( expression ) + && ( (OrderedReturn) expression ).getLastExpression() != null ) ) { return body; } @@ -235,7 +236,8 @@ public class ExpressionCompiler */ ExpressionCompiler.addCastString( context, - "((" + ExpressionCompiler.getCastString( context.getCurrentAccessor() ) + ")" ); + "((" + ExpressionCompiler.getCastString( context.getCurrentAccessor() ) + + ")" ); return ")" + body; } @@ -488,10 +490,10 @@ public class ExpressionCompiler String getBody, setBody; EnhancedClassLoader loader = getClassLoader( context ); - ClassPool pool = getClassPool( context, loader ); + ClassPool classPool = getClassPool( context, loader ); - CtClass newClass = - pool.makeClass( expression.getClass().getName() + expression.hashCode() + _classCounter++ + "Accessor" ); + CtClass newClass = classPool.makeClass( + expression.getClass().getName() + expression.hashCode() + classCounter++ + "Accessor" ); newClass.addInterface( getCtClass( ExpressionAccessor.class ) ); CtClass ognlClass = getCtClass( OgnlContext.class ); @@ -509,7 +511,7 @@ public class ExpressionCompiler try { - getBody = generateGetter( context, newClass, objClass, pool, valueGetter, expression, root ); + getBody = generateGetter( context, newClass, objClass, classPool, valueGetter, expression, root ); } catch ( UnsupportedCompilationException uc ) @@ -528,7 +530,7 @@ public class ExpressionCompiler try { - setBody = generateSetter( context, newClass, objClass, pool, valueSetter, expression, root ); + setBody = generateSetter( context, newClass, objClass, classPool, valueSetter, expression, root ); } catch ( UnsupportedCompilationException uc ) @@ -555,7 +557,7 @@ public class ExpressionCompiler { newClass.addConstructor( CtNewConstructor.defaultConstructor( newClass ) ); - Class<?> clazz = pool.toClass( newClass ); + Class<?> clazz = classPool.toClass( newClass ); newClass.detach(); expression.setAccessor( (ExpressionAccessor) clazz.newInstance() ); @@ -578,7 +580,7 @@ public class ExpressionCompiler } - protected String generateGetter( OgnlContext context, CtClass newClass, CtClass objClass, ClassPool pool, + protected String generateGetter( OgnlContext context, CtClass newClass, CtClass objClass, ClassPool classPool, CtMethod valueGetter, Node expression, Object root ) throws Exception { @@ -607,7 +609,8 @@ public class ExpressionCompiler String castExpression = (String) context.get( PRE_CAST ); if ( context.getCurrentType() == null || context.getCurrentType().isPrimitive() - || Character.class.isAssignableFrom( context.getCurrentType() ) || Object.class == context.getCurrentType() ) + || Character.class.isAssignableFrom( context.getCurrentType() ) + || Object.class == context.getCurrentType() ) { pre = pre + " ($w) ("; post = post + ")"; @@ -621,16 +624,16 @@ public class ExpressionCompiler rootExpr = ""; } - createLocalReferences( context, pool, newClass, objClass, valueGetter.getParameterTypes() ); + createLocalReferences( context, classPool, newClass, objClass, valueGetter.getParameterTypes() ); - if ( OrderedReturn.class.isInstance( expression ) && ( (OrderedReturn) expression ).getLastExpression() != null ) + if ( OrderedReturn.class.isInstance( expression ) + && ( (OrderedReturn) expression ).getLastExpression() != null ) { - body = - "{ " - + ( ASTMethod.class.isInstance( expression ) || ASTChain.class.isInstance( expression ) ? rootExpr - : "" ) + ( castExpression != null ? castExpression : "" ) - + ( (OrderedReturn) expression ).getCoreExpression() + " return " + pre - + ( (OrderedReturn) expression ).getLastExpression() + post + ";}"; + body = "{ " + ( ASTMethod.class.isInstance( expression ) || ASTChain.class.isInstance( expression ) + ? rootExpr + : "" ) + ( castExpression != null ? castExpression : "" ) + + ( (OrderedReturn) expression ).getCoreExpression() + " return " + pre + + ( (OrderedReturn) expression ).getLastExpression() + post + ";}"; } else @@ -667,8 +670,9 @@ public class ExpressionCompiler return castString + referenceName + "($$)"; } - void createLocalReferences( OgnlContext context, ClassPool pool, CtClass clazz, CtClass unused, CtClass[] params ) - throws CannotCompileException, NotFoundException + void createLocalReferences( OgnlContext context, ClassPool classPool, CtClass clazz, CtClass unused, + CtClass[] params ) + throws NotFoundException, CannotCompileException { Map<String, LocalReference> referenceMap = context.getLocalReferences(); if ( referenceMap == null || referenceMap.size() < 1 ) @@ -685,7 +689,8 @@ public class ExpressionCompiler // System.out.println("adding method " + ref.getName() + " with body:\n" + body + " and return type: " + // ref.getType()); - CtMethod method = new CtMethod( pool.get( getCastString( ref.getType() ) ), ref.getName(), params, clazz ); + CtMethod method = + new CtMethod( classPool.get( getCastString( ref.getType() ) ), ref.getName(), params, clazz ); method.setBody( body ); clazz.addMethod( method ); @@ -693,7 +698,7 @@ public class ExpressionCompiler } } - protected String generateSetter( OgnlContext context, CtClass newClass, CtClass objClass, ClassPool pool, + protected String generateSetter( OgnlContext context, CtClass newClass, CtClass objClass, ClassPool classPool, CtMethod valueSetter, Node expression, Object root ) throws Exception { @@ -728,7 +733,7 @@ public class ExpressionCompiler pre = ""; } - createLocalReferences( context, pool, newClass, objClass, valueSetter.getParameterTypes() ); + createLocalReferences( context, classPool, newClass, objClass, valueSetter.getParameterTypes() ); body = "{" + ( castExpression != null ? castExpression : "" ) + pre + setterCode + ";}"; @@ -793,7 +798,7 @@ public class ExpressionCompiler */ protected EnhancedClassLoader getClassLoader( OgnlContext context ) { - EnhancedClassLoader ret = _loaders.get( context.getClassResolver() ); + EnhancedClassLoader ret = loaders.get( context.getClassResolver() ); if ( ret != null ) { @@ -803,7 +808,7 @@ public class ExpressionCompiler ClassLoader classLoader = new ContextClassLoader( OgnlContext.class.getClassLoader(), context ); ret = new EnhancedClassLoader( classLoader ); - _loaders.put( context.getClassResolver(), ret ); + loaders.put( context.getClassResolver(), ret ); return ret; } @@ -813,12 +818,12 @@ public class ExpressionCompiler * * @param searchClass The class to load. * @return The javassist class equivalent. - * @throws NotFoundException When the class definition can't be found. + * @throws javassist.NotFoundException When the class definition can't be found. */ protected CtClass getCtClass( Class<?> searchClass ) throws NotFoundException { - return _pool.get( searchClass.getName() ); + return pool.get( searchClass.getName() ); } /** @@ -833,14 +838,14 @@ public class ExpressionCompiler */ protected ClassPool getClassPool( OgnlContext context, EnhancedClassLoader loader ) { - if ( _pool != null ) + if ( pool != null ) { - return _pool; + return pool; } - _pool = ClassPool.getDefault(); - _pool.insertClassPath( new LoaderClassPath( loader.getParent() ) ); + pool = ClassPool.getDefault(); + pool.insertClassPath( new LoaderClassPath( loader.getParent() ) ); - return _pool; + return pool; } }