Package org.mvel2.asm

Examples of org.mvel2.asm.ClassReader

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    }

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

        ParserContext context = new ParserContext();
        context.addPackageImport( "org.drools.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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    @SuppressWarnings({ "deprecation", "rawtypes" })
  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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    }

    String targetRunMvel = mvel + ";\n for(i = 0; i < " + RUNS + "; i++) {\n "
        + mvelCallable + "\n}\n";

    ParserContext parserContext = new ParserContext();
    parserContext.addIndexedInput(new String[0]);

    VariableResolverFactory factory =
        VariableSpaceCompiler.compile(targetRunMvel, parserContext).createFactory(new Object[0]);
    compiledMvel = MVEL.compileExpression(targetRunMvel, parserContext);
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        strictMode = in.readBoolean();
    }   

    public Serializable getCompiledExpression(MVELDialectRuntimeData runtimeData ) {       
        ParserConfiguration conf = runtimeData.getParserConfiguration();
        final ParserContext parserContext = new ParserContext( conf );
        if ( MVELDebugHandler.isDebugMode() ) {
            parserContext.setDebugSymbols( true );
        }

        parserContext.setStrictTypeEnforcement( strictMode );
        parserContext.setStrongTyping( strictMode );
        parserContext.setIndexAllocation( true );

        if ( interceptors != null ) {
            parserContext.setInterceptors( interceptors );
        }

        parserContext.addIndexedInput( inputIdentifiers );
               
        String identifier = null;
        String type = null;
        try {
            for ( int i = 0, length = inputIdentifiers.length; i < length; i++ ) {
                identifier = inputIdentifiers[i];
                type = inputTypes[i];
                Class< ? > cls = loadClass( runtimeData.getRootClassLoader(),
                                            inputTypes[i] );
                parserContext.addInput( inputIdentifiers[i],
                                        cls );
            }
        } catch ( ClassNotFoundException e ) {
            throw new RuntimeDroolsException( "Unable to resolve class '" + type + "' for identifier '" + identifier );
        }

        parserContext.setSourceFile( name );

        String[] varNames = parserContext.getIndexedVarNames();
       
        ExecutableStatement stmt = (ExecutableStatement) compile( expression,
                                                                  runtimeData.getRootClassLoader(),
                                                                  parserContext,
                                                                  languageLevel );
       
        Set<String> localNames = parserContext.getVariables().keySet();

        parserContext.addIndexedLocals(localNames);

        String[] locals = localNames.toArray(new String[localNames.size()]);
        String[] allVars = new String[varNames.length + locals.length];

        System.arraycopy(varNames, 0, allVars, 0, varNames.length);
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    /** Walk up the inheritance hierarchy recursively, reading in fields */
    private void processClassWithByteCode( final Class< ? > clazz,
                                           final InputStream stream,
                                           final boolean includeFinalMethods ) throws IOException {

        final ClassReader reader = new ClassReader( stream );
        final ClassFieldVisitor visitor = new ClassFieldVisitor( clazz,
                                                                 includeFinalMethods,
                                                                 this );
        reader.accept( visitor,
                       0 );
        if ( clazz.getSuperclass() != null ) {
            final String name = getResourcePath( clazz.getSuperclass() );
            final InputStream parentStream = clazz.getResourceAsStream( name );
            if ( parentStream != null ) {
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    @Test
    public void testMethodCompare() throws Exception {
        final MethodComparator comp = new MethodComparator();
        boolean result = comp.equivalent( "evaluate",
                                          new ClassReader( getClassData( MethodCompareA.class ) ),
                                          "evaluate",
                                          new ClassReader( getClassData( MethodCompareB.class ) ) );
        assertEquals( true,
                      result );

        result = comp.equivalent( "evaluate",
                                  new ClassReader( getClassData( MethodCompareA.class ) ),
                                  "evaluate2",
                                  new ClassReader( getClassData( MethodCompareA.class ) ) );
        assertEquals( false,
                      result );

        result = comp.equivalent( "evaluate",
                                  new ClassReader( getClassData( MethodCompareB.class ) ),
                                  "evaluate2",
                                  new ClassReader( getClassData( MethodCompareA.class ) ) );
        assertEquals( false,
                      result );

        result = comp.equivalent( "evaluate",
                                  new ClassReader( getClassData( MethodCompareB.class ) ),
                                  "evaluate",
                                  new ClassReader( getClassData( MethodCompareA.class ) ) );
        assertEquals( true,
                      result );

        result = comp.equivalent( "evaluate",
                                  new ClassReader( getClassData( MethodCompareA.class ) ),
                                  "evaluate",
                                  new ClassReader( getClassData( MethodCompareA.class ) ) );
        assertEquals( true,
                      result );

        result = comp.equivalent( "evaluate",
                                  new ClassReader( getClassData( MethodCompareA.class ) ),
                                  "askew",
                                  new ClassReader( getClassData( MethodCompareA.class ) ) );
        assertEquals( false,
                      result );

    }
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public class MethodComparerTest extends TestCase {

    public void testMethodCompare() throws Exception {
        final MethodComparator comp = new MethodComparator();
        boolean result = comp.equivalent( "evaluate",
                                          new ClassReader( getClassData( MethodCompareA.class ) ),
                                          "evaluate",
                                          new ClassReader( getClassData( MethodCompareB.class ) ) );
        assertEquals( true,
                      result );

        result = comp.equivalent( "evaluate",
                                  new ClassReader( getClassData( MethodCompareA.class ) ),
                                  "evaluate2",
                                  new ClassReader( getClassData( MethodCompareA.class ) ) );
        assertEquals( false,
                      result );

        result = comp.equivalent( "evaluate",
                                  new ClassReader( getClassData( MethodCompareB.class ) ),
                                  "evaluate2",
                                  new ClassReader( getClassData( MethodCompareA.class ) ) );
        assertEquals( false,
                      result );

        result = comp.equivalent( "evaluate",
                                  new ClassReader( getClassData( MethodCompareB.class ) ),
                                  "evaluate",
                                  new ClassReader( getClassData( MethodCompareA.class ) ) );
        assertEquals( true,
                      result );

        result = comp.equivalent( "evaluate",
                                  new ClassReader( getClassData( MethodCompareA.class ) ),
                                  "evaluate",
                                  new ClassReader( getClassData( MethodCompareA.class ) ) );
        assertEquals( true,
                      result );

        result = comp.equivalent( "evaluate",
                                  new ClassReader( getClassData( MethodCompareA.class ) ),
                                  "askew",
                                  new ClassReader( getClassData( MethodCompareA.class ) ) );
        assertEquals( false,
                      result );

    }
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    /** Walk up the inheritance hierarchy recursively, reading in fields */
    private void processClassWithByteCode(final Class< ? > clazz,
                                          final InputStream stream,
                                          final boolean includeFinalMethods) throws IOException {

        final ClassReader reader = new ClassReader( stream );
        final ClassFieldVisitor visitor = new ClassFieldVisitor( clazz,
                                                                 includeFinalMethods,
                                                                 this );
        reader.accept( visitor,
                       0 );
        if ( clazz.getSuperclass() != null ) {
            final String name = getResourcePath( clazz.getSuperclass() );
            final InputStream parentStream = clazz.getResourceAsStream( name );
            if ( parentStream != null ) {
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     * debug info like local var declarations and line numbers are ignored, so the focus is on the content.
     */
    public static List getMethodBytecode(final String methodName,
                                         final byte[] bytes) {
        final Tracer visit = new Tracer( methodName );
        final ClassReader classReader = new ClassReader( bytes );
        classReader.accept( visit,
                            ClassReader.SKIP_DEBUG );
        final TraceMethodVisitor trace = visit.getTrace();
        return trace.getText();
    }
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Related Classes of org.mvel2.asm.ClassReader

  • com.edugility.liquibase.maven.AssembleChangeLogMojo
  • org.drools.adventures.GameEngine
  • org.drools.base.ClassFieldAccessorFactory
  • org.drools.base.extractors.MVELClassFieldReader
  • org.drools.base.extractors.MVELObjectClassFieldReader
  • org.drools.base.ModifyInterceptor
  • org.drools.base.mvel.DroolsMVELFactory
  • org.drools.base.mvel.DroolsProcessMVELFactory
  • org.drools.base.mvel.MVELAccumulator
  • org.drools.base.mvel.MVELAction
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