Package org.mvel2.templates.util.io

Examples of org.mvel2.templates.util.io.StandardOutputStream

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    protected void buildHardGetter( ClassVisitor cw, FieldDefinition field, String masterName, ClassDefinition proxy, ClassDefinition core, String getterName, boolean protect ) {       
        Class fieldType = field.getType();


        MethodVisitor mv = cw.visitMethod( protect ? ACC_PROTECTED : ACC_PUBLIC,
                getterName,
                "()" + Type.getDescriptor( fieldType ),
                null,
                null);
        mv.visitCode();

        TraitFactory.invokeExtractor( mv, masterName, proxy, core, field );

        if ( ! BuildUtils.isPrimitive( field.getTypeName() ) ) {
            mv.visitTypeInsn( CHECKCAST, Type.getInternalName( fieldType ) );
        }

        mv.visitInsn( BuildUtils.returnType ( fieldType.getName() ) );
//        mv.visitMaxs( 2, 1 );
        mv.visitMaxs( 0, 0 );
        mv.visitEnd();

    }
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    }

    protected void buildHardSetter( ClassVisitor cw, FieldDefinition field, String masterName, ClassDefinition trait, ClassDefinition core, String setterName, boolean protect ) {
        Class fieldType = field.getType();

        MethodVisitor mv = cw.visitMethod( protect ? ACC_PROTECTED : ACC_PUBLIC,
                                           setterName,
                                           "(" + Type.getDescriptor( field.getType() ) + ")V",
                                           null,
                                           null );
        mv.visitCode();

        if ( core.isFullTraiting() ) {
            // The trait field update will be done by the core setter. However, types may mismatch here
            FieldDefinition hardField = core.getFieldByAlias( field.resolveAlias() );
            if ( ! field.getType().isPrimitive() && ! field.getTypeName().equals( hardField.getTypeName() ) ) {
                boolean isCoreTrait = hardField.getType().getAnnotation( Trait.class ) != null;
                boolean isTraitTrait = field.getType().getAnnotation( Trait.class ) != null;

                Label l0 = new Label();
                mv.visitVarInsn( ALOAD, 1 );
                mv.visitJumpInsn( IFNULL, l0 );
                if ( isCoreTrait && ! isTraitTrait ) {
                    mv.visitVarInsn( ALOAD, 1 );
                    mv.visitTypeInsn( CHECKCAST, Type.getInternalName( TraitableBean.class ) );
                    mv.visitLdcInsn( hardField.getTypeName() );
                    mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( TraitableBean.class ), "getTrait", Type.getMethodDescriptor( Type.getType( Thing.class ), new Type[] { Type.getType( String.class ) } ) );
                    mv.visitVarInsn( ASTORE, 1 );
                } else if ( ! isCoreTrait && isTraitTrait ) {
                    mv.visitVarInsn( ALOAD, 1 );
                    mv.visitTypeInsn( CHECKCAST, Type.getInternalName( TraitProxy.class ) );
                    mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( TraitProxy.class ), "getObject", Type.getMethodDescriptor( Type.getType( TraitableBean.class ), new Type[]{ } ) );
                    mv.visitVarInsn( ASTORE, 1 );
                } else if ( isCoreTrait && isTraitTrait ) {
                    mv.visitVarInsn( ALOAD, 1 );
                    mv.visitTypeInsn( CHECKCAST, Type.getInternalName( TraitProxy.class ) );
                    mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( TraitProxy.class ), "getObject", Type.getMethodDescriptor( Type.getType( TraitableBean.class ), new Type[] {} ) );
                    mv.visitTypeInsn( CHECKCAST, Type.getInternalName( TraitableBean.class ) );
                    mv.visitLdcInsn( hardField.getTypeName() );
                    mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( TraitableBean.class ), "getTrait", Type.getMethodDescriptor( Type.getType( Thing.class ), new Type[] { Type.getType( String.class ) } ) );
                    mv.visitVarInsn( ASTORE, 1 );
                } else {
                    // handled by normal inheritance, exceptions should have been thrown
                    if ( ! hardField.getType().isAssignableFrom( field.getType() ) ) {
                        mv.visitInsn( RETURN );
                    }
                }
                Label l1 = new Label();
                mv.visitJumpInsn(GOTO, l1);

                mv.visitLabel( l0 );
                mv.visitInsn( ACONST_NULL );
                mv.visitVarInsn( ASTORE, 1 );
                mv.visitLabel( l1 );
            } else if ( field.getType().isPrimitive() ) {
                if ( ! hardField.getType().equals( field.getType() ) ) {
                    mv.visitInsn( RETURN );
                }
            }
        }

        TraitFactory.invokeInjector( mv, masterName, trait, core, field, false, 1 );

        mv.visitInsn( RETURN );
        mv.visitMaxs( 0, 0 );
        mv.visitEnd();

    }
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    protected void buildSoftSetter( ClassVisitor cw, FieldDefinition field, String proxy, ClassDefinition trait, ClassDefinition core, String setterName, boolean protect ) {
        String fieldName = field.getName();
        String type = field.getTypeName();

        MethodVisitor mv = cw.visitMethod( protect ? ACC_PROTECTED : ACC_PUBLIC,
                setterName,
                "(" + Type.getDescriptor( field.getType() ) + ")V",
                null,
                null );
        mv.visitCode();

        if ( core.isFullTraiting() ) {
            logicalSetter( mv, field, proxy, this.trait, core, true );
        }

        mv.visitVarInsn( ALOAD, 0 );
        mv.visitFieldInsn( GETFIELD, BuildUtils.getInternalType( proxy ), "store", Type.getDescriptor( TripleStore.class ) );
        mv.visitVarInsn( ALOAD, 0 );
        mv.visitLdcInsn( field.resolveAlias() );
        mv.visitVarInsn( BuildUtils.varType( type ), 1 );
        if ( BuildUtils.isPrimitive( type ) ) {
            TraitFactory.valueOf( mv, type );
        }
        mv.visitMethodInsn( INVOKEVIRTUAL, BuildUtils.getInternalType( proxy ), "property",
                            "(" + Type.getDescriptor( String.class ) + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Triple.class ) );
        mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( TripleStore.class ), "put", "(" + Type.getDescriptor( Triple.class )+ ")Z" );

        mv.visitInsn( POP );
        mv.visitInsn( RETURN );
//        mv.visitMaxs( 3 + BuildUtils.sizeOf( type ), 1 + BuildUtils.sizeOf( type ) );
        mv.visitMaxs( 0, 0 );
        mv.visitEnd();

    }
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        parserContext.setSourceFile( name );

        String[] varNames = parserContext.getIndexedVarNames();
       
        ExecutableStatement stmt = (ExecutableStatement) compile( expression,
                                                                  runtimeData.getRootClassLoader(),
                                                                  parserContext,
                                                                  languageLevel );
       
        Set<String> localNames = parserContext.getVariables().keySet();
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        Content content = null;
        if ( taskData.getDocumentAccessType() == AccessType.Inline ) {
            content = em.find( Content.class,
                               taskData.getDocumentContentId() );
        }
        ExpressionCompiler compiler = new ExpressionCompiler( new String( content.getContent() ) );
        Serializable expr = compiler.compile();
        Object object = MVEL.executeExpression( expr );
       
        Map<String, Object> vars = new HashMap<String, Object>();
        vars.put( docVar, object );
        // for now will have to assume the recipient is a User, we need to figure out if Groups have an alias
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        Map<String, Object> doc = null;
        if ( taskData != null ) {
            Content content = em.find( Content.class,
                                       taskData.getDocumentContentId() );
            if ( content != null ) {
                ExpressionCompiler compiler = new ExpressionCompiler( new String( content.getContent() ) );
                doc = (Map<String, Object>) MVEL.executeExpression( compiler.compile() );
            } else {
                doc = Collections.emptyMap();
            }
        }
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                        if (actionString == null) {
                            errors.add(new ProcessValidationErrorImpl(process,
                                "Action node '" + node.getName() + "' [" + node.getId() + "] has empty action."));
                        } else if( "mvel".equals( droolsAction.getDialect() ) ) {
                            try {
                                ExpressionCompiler compiler = new ExpressionCompiler(actionString);
                                compiler.setVerifying(true);
                                ParserContext parserContext = new ParserContext();
                                //parserContext.setStrictTypeEnforcement(true);
                                compiler.compile(parserContext);
                                List<ErrorDetail> mvelErrors = parserContext.getErrorList();
                                if (mvelErrors != null) {
                                    for (Iterator<ErrorDetail> iterator = mvelErrors.iterator(); iterator.hasNext(); ) {
                                        ErrorDetail error = iterator.next();
                                        errors.add(new ProcessValidationErrorImpl(process,
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    }
    return sb.toString();
  }

  public Object eval(String str, Map<String, Object> vars) {
    ExpressionCompiler compiler = new ExpressionCompiler(str.trim());

    ParserContext context = new ParserContext();
    context.addPackageImport("org.drools.task");
    context.addPackageImport("org.drools.task.service");
    context.addPackageImport("org.drools.task.query");
    context.addPackageImport("java.util");

    vars.put("now", new Date());
    return MVEL.executeExpression(compiler.compile(context), vars);
  }
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        }
        return sb.toString();
    }

    public Object eval(String str, Map vars) {
        ExpressionCompiler compiler = new ExpressionCompiler(str.trim());

        ParserContext context = new ParserContext();
        context.addPackageImport("org.jbpm.task");
        context.addPackageImport("org.jbpm.task.service");
        context.addPackageImport("org.jbpm.task.query");
        context.addPackageImport("java.util");

        vars.put("now", new Date());
        return MVEL.executeExpression(compiler.compile(context), vars);
    }
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        }
        return sb.toString();
    }

    public static Object eval(String str, Map vars) {
        ExpressionCompiler compiler = new ExpressionCompiler( str.trim() );

        ParserContext context = new ParserContext();
        context.addPackageImport( "org.jbpm.task" );
        context.addPackageImport( "java.util" );
       
        context.addImport( "AccessType", AccessType.class );
        context.addImport( "AllowedToDelegate", AllowedToDelegate.class );
        context.addImport( "Attachment", Attachment.class );
        context.addImport( "BooleanExpression", BooleanExpression.class );
        context.addImport( "Comment", Comment.class );
        context.addImport( "Deadline", Deadline.class );
        context.addImport( "Deadlines", Deadlines.class );
        context.addImport( "Delegation", Delegation.class );
        context.addImport( "Escalation", Escalation.class );
        context.addImport( "Group", Group.class );
        context.addImport( "I18NText", I18NText.class );
        context.addImport( "Notification", Notification.class );
        context.addImport( "OrganizationalEntity", OrganizationalEntity.class );
        context.addImport( "PeopleAssignments", PeopleAssignments.class );
        context.addImport( "Reassignment", Reassignment.class );
        context.addImport( "Status", Status.class );
        context.addImport( "Task", Task.class );
        context.addImport( "TaskData", TaskData.class );
        context.addImport( "TaskSummary", TaskSummary.class );
        context.addImport( "User", User.class );

        return MVEL.executeExpression( compiler.compile( context ), vars );
    }
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Related Classes of org.mvel2.templates.util.io.StandardOutputStream

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  • org.drools.base.ClassFieldAccessorFactory
  • org.drools.base.extractors.MVELClassFieldReader
  • org.drools.base.extractors.MVELObjectClassFieldReader
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