Examples with MethodVisitor org.apache.cxf.common.util.ASMHelper.MethodVisitor used on opensource projects

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Example 6 with MethodVisitor

use of org.apache.cxf.common.util.ASMHelper.MethodVisitor in project cxf by apache.

the class CorbaAnyHelper method addExtractOverride.

private static void addExtractOverride(ASMHelper helper, ClassWriter cw) {
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "extract_Streamable", "()Lorg/omg/CORBA/portable/Streamable;", null, null);
    mv.visitCode();
    Label l0 = helper.createLabel();
    mv.visitLabel(l0);
    mv.visitLineNumber(47, l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "org/apache/cxf/binding/corba/utils/FixedAnyImpl", "obj", "Lorg/omg/CORBA/portable/Streamable;");
    Label l1 = helper.createLabel();
    mv.visitJumpInsn(Opcodes.IFNULL, l1);
    Label l2 = helper.createLabel();
    mv.visitLabel(l2);
    mv.visitLineNumber(48, l2);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "org/apache/cxf/binding/corba/utils/FixedAnyImpl", "obj", "Lorg/omg/CORBA/portable/Streamable;");
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitLabel(l1);
    mv.visitLineNumber(50, l1);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/sun/corba/se/impl/corba/AnyImpl", "extract_Streamable", "()Lorg/omg/CORBA/portable/Streamable;", false);
    mv.visitInsn(Opcodes.ARETURN);
    Label l3 = helper.createLabel();
    mv.visitLabel(l3);
    mv.visitLocalVariable("this", "Lorg/apache/cxf/binding/corba/utils/FixedAnyImpl;", null, l0, l3, 0);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
}
Also used : Label(org.apache.cxf.common.util.ASMHelper.Label) MethodVisitor(org.apache.cxf.common.util.ASMHelper.MethodVisitor)

Example 7 with MethodVisitor

use of org.apache.cxf.common.util.ASMHelper.MethodVisitor in project cxf by apache.

the class CorbaAnyHelper method addReadOverride.

private static void addReadOverride(ASMHelper helper, ClassWriter cw) {
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "read_value", "(Lorg/omg/CORBA/portable/InputStream;Lorg/omg/CORBA/TypeCode;)V", null, null);
    mv.visitCode();
    Label l0 = helper.createLabel();
    mv.visitLabel(l0);
    mv.visitLineNumber(54, l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "org/apache/cxf/binding/corba/utils/FixedAnyImpl", "obj", "Lorg/omg/CORBA/portable/Streamable;");
    Label l1 = helper.createLabel();
    mv.visitJumpInsn(Opcodes.IFNULL, l1);
    Label l2 = helper.createLabel();
    mv.visitLabel(l2);
    mv.visitLineNumber(55, l2);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "org/apache/cxf/binding/corba/utils/FixedAnyImpl", "obj", "Lorg/omg/CORBA/portable/Streamable;");
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "org/omg/CORBA/portable/Streamable", "_read", "(Lorg/omg/CORBA/portable/InputStream;)V", true);
    Label l3 = helper.createLabel();
    mv.visitJumpInsn(Opcodes.GOTO, l3);
    mv.visitLabel(l1);
    mv.visitLineNumber(57, l1);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitVarInsn(Opcodes.ALOAD, 2);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/sun/corba/se/impl/corba/AnyImpl", "read_value", "(Lorg/omg/CORBA/portable/InputStream;Lorg/omg/CORBA/TypeCode;)V", false);
    mv.visitLabel(l3);
    mv.visitLineNumber(59, l3);
    mv.visitInsn(Opcodes.RETURN);
    Label l4 = helper.createLabel();
    mv.visitLabel(l4);
    mv.visitLocalVariable("this", "Lorg/apache/cxf/binding/corba/utils/FixedAnyImpl;", null, l0, l4, 0);
    mv.visitLocalVariable("is", "Lorg/omg/CORBA/portable/InputStream;", null, l0, l4, 1);
    mv.visitLocalVariable("t", "Lorg/omg/CORBA/TypeCode;", null, l0, l4, 2);
    mv.visitMaxs(3, 3);
    mv.visitEnd();
}
Also used : Label(org.apache.cxf.common.util.ASMHelper.Label) MethodVisitor(org.apache.cxf.common.util.ASMHelper.MethodVisitor)

Example 8 with MethodVisitor

use of org.apache.cxf.common.util.ASMHelper.MethodVisitor in project cxf by apache.

the class CorbaAnyHelper method addFixedAnyConstructor.

private static void addFixedAnyConstructor(ASMHelper helper, ClassWriter cw) {
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "(Lorg/omg/CORBA/ORB;)V", null, null);
    mv.visitCode();
    Label l0 = helper.createLabel();
    mv.visitLabel(l0);
    mv.visitLineNumber(36, l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitTypeInsn(Opcodes.CHECKCAST, "com/sun/corba/se/spi/orb/ORB");
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/sun/corba/se/impl/corba/AnyImpl", "<init>", "(Lcom/sun/corba/se/spi/orb/ORB;)V", false);
    Label l1 = helper.createLabel();
    mv.visitLabel(l1);
    mv.visitLineNumber(37, l1);
    mv.visitInsn(Opcodes.RETURN);
    Label l2 = helper.createLabel();
    mv.visitLabel(l2);
    mv.visitLocalVariable("this", "Lorg/apache/cxf/binding/corba/utils/FixedAnyImpl;", null, l0, l2, 0);
    mv.visitLocalVariable("orb", "Lorg/omg/CORBA/ORB;", null, l0, l2, 1);
    mv.visitMaxs(2, 2);
    mv.visitEnd();
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "(Lorg/omg/CORBA/ORB;Lorg/omg/CORBA/Any;)V", null, null);
    mv.visitCode();
    l0 = helper.createLabel();
    mv.visitLabel(l0);
    mv.visitLineNumber(39, l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitTypeInsn(Opcodes.CHECKCAST, "com/sun/corba/se/spi/orb/ORB");
    mv.visitVarInsn(Opcodes.ALOAD, 2);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/sun/corba/se/impl/corba/AnyImpl", "<init>", "(Lcom/sun/corba/se/spi/orb/ORB;Lorg/omg/CORBA/Any;)V", false);
    l1 = helper.createLabel();
    mv.visitLabel(l1);
    mv.visitLineNumber(40, l1);
    mv.visitInsn(Opcodes.RETURN);
    l2 = helper.createLabel();
    mv.visitLabel(l2);
    mv.visitLocalVariable("this", "Lorg/apache/cxf/binding/corba/utils/FixedAnyImpl;", null, l0, l2, 0);
    mv.visitLocalVariable("orb", "Lorg/omg/CORBA/ORB;", null, l0, l2, 1);
    mv.visitLocalVariable("any", "Lorg/omg/CORBA/Any;", null, l0, l2, 2);
    mv.visitMaxs(3, 3);
    mv.visitEnd();
}
Also used : Label(org.apache.cxf.common.util.ASMHelper.Label) MethodVisitor(org.apache.cxf.common.util.ASMHelper.MethodVisitor)

Example 9 with MethodVisitor

use of org.apache.cxf.common.util.ASMHelper.MethodVisitor in project cxf by apache.

the class JAXBUtils method createEclipseNamespaceMapper.

/*
    // This is the "prototype" for the ASM generated class below
    public static class MapNamespacePrefixMapper2
        extends org.eclipse.persistence.internal.oxm.record.namespaces.MapNamespacePrefixMapper {

        String nsctxt[];

        public MapNamespacePrefixMapper2(Map<String, String> foo) {
            super(foo);
        }
        public String[] getPreDeclaredNamespaceUris() {
            String sup[] = super.getPreDeclaredNamespaceUris();
            if (nsctxt == null) {
                return sup;
            }
            List<String> s = new ArrayList<>(Arrays.asList(sup));
            for (int x = 1; x < nsctxt.length; x = x + 2) {
                s.remove(nsctxt[x]);
            }
            return s.toArray(new String[s.size()]);
        }
        public void setContextualNamespaceDecls(String f[]) {
            nsctxt = f;
        }
        public String[] getContextualNamespaceDecls() {
            return nsctxt;
        }
    }
    */
// CHECKSTYLE:OFF
// bunch of really long ASM based methods that cannot be shortened easily
private static Object createEclipseNamespaceMapper(Class<?> mcls, Map<String, String> map) {
    ASMHelper helper = new ASMHelper();
    String className = "org.apache.cxf.jaxb.EclipseNamespaceMapper";
    String slashedName = "org/apache/cxf/jaxb/EclipseNamespaceMapper";
    Class<?> cls = helper.findClass(className, JAXBUtils.class);
    if (cls == null) {
        ClassWriter cw = helper.createClassWriter();
        if (cw == null) {
            return null;
        }
        String superName = "org/eclipse/persistence/internal/oxm/record/namespaces/MapNamespacePrefixMapper";
        FieldVisitor fv;
        MethodVisitor mv;
        cw.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL + Opcodes.ACC_SUPER, slashedName, null, superName, null);
        cw.visitSource("EclipseNamespaceMapper.java", null);
        fv = cw.visitField(Opcodes.ACC_PRIVATE, "nsctxt", "[Ljava/lang/String;", null, null);
        fv.visitEnd();
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "(Ljava/util/Map;)V", "(Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;)V", null);
        mv.visitCode();
        Label l0 = helper.createLabel();
        mv.visitLabel(l0);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, superName, "<init>", "(Ljava/util/Map;)V", false);
        Label l1 = helper.createLabel();
        mv.visitLabel(l1);
        mv.visitInsn(Opcodes.RETURN);
        Label l2 = helper.createLabel();
        mv.visitLabel(l2);
        mv.visitMaxs(2, 2);
        mv.visitEnd();
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "setContextualNamespaceDecls", "([Ljava/lang/String;)V", null, null);
        mv.visitCode();
        l0 = helper.createLabel();
        mv.visitLabel(l0);
        mv.visitLineNumber(47, l0);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        mv.visitFieldInsn(Opcodes.PUTFIELD, slashedName, "nsctxt", "[Ljava/lang/String;");
        l1 = helper.createLabel();
        mv.visitLabel(l1);
        mv.visitLineNumber(48, l1);
        mv.visitInsn(Opcodes.RETURN);
        l2 = helper.createLabel();
        mv.visitLabel(l2);
        mv.visitLocalVariable("this", "L" + slashedName + ";", null, l0, l2, 0);
        mv.visitLocalVariable("contextualNamespaceDecls", "[Ljava/lang/String;", null, l0, l2, 1);
        mv.visitMaxs(2, 2);
        mv.visitEnd();
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getContextualNamespaceDecls", "()[Ljava/lang/String;", null, null);
        mv.visitCode();
        l0 = helper.createLabel();
        mv.visitLabel(l0);
        mv.visitLineNumber(51, l0);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, slashedName, "nsctxt", "[Ljava/lang/String;");
        mv.visitInsn(Opcodes.ARETURN);
        l1 = helper.createLabel();
        mv.visitLabel(l1);
        mv.visitLocalVariable("this", "L" + slashedName + ";", null, l0, l1, 0);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getPreDeclaredNamespaceUris", "()[Ljava/lang/String;", null, null);
        mv.visitCode();
        l0 = helper.createLabel();
        mv.visitLabel(l0);
        mv.visitLineNumber(1036, l0);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, superName, "getPreDeclaredNamespaceUris", "()[Ljava/lang/String;", false);
        mv.visitVarInsn(Opcodes.ASTORE, 1);
        l1 = helper.createLabel();
        mv.visitLabel(l1);
        mv.visitLineNumber(1037, l1);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, slashedName, "nsctxt", "[Ljava/lang/String;");
        l2 = helper.createLabel();
        mv.visitJumpInsn(Opcodes.IFNONNULL, l2);
        Label l3 = helper.createLabel();
        mv.visitLabel(l3);
        mv.visitLineNumber(1038, l3);
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        mv.visitInsn(Opcodes.ARETURN);
        mv.visitLabel(l2);
        mv.visitLineNumber(1040, l2);
        mv.visitFrame(Opcodes.F_APPEND, 1, new Object[] { "[Ljava/lang/String;" }, 0, null);
        mv.visitTypeInsn(Opcodes.NEW, "java/util/ArrayList");
        mv.visitInsn(Opcodes.DUP);
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/util/Arrays", "asList", "([Ljava/lang/Object;)Ljava/util/List;", false);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/ArrayList", "<init>", "(Ljava/util/Collection;)V", false);
        mv.visitVarInsn(Opcodes.ASTORE, 2);
        Label l4 = helper.createLabel();
        mv.visitLabel(l4);
        mv.visitLineNumber(1041, l4);
        mv.visitInsn(Opcodes.ICONST_1);
        mv.visitVarInsn(Opcodes.ISTORE, 3);
        Label l5 = helper.createLabel();
        mv.visitLabel(l5);
        Label l6 = helper.createLabel();
        mv.visitJumpInsn(Opcodes.GOTO, l6);
        Label l7 = helper.createLabel();
        mv.visitLabel(l7);
        mv.visitLineNumber(1042, l7);
        mv.visitFrame(Opcodes.F_APPEND, 2, new Object[] { "java/util/List", Opcodes.INTEGER }, 0, null);
        mv.visitVarInsn(Opcodes.ALOAD, 2);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, slashedName, "nsctxt", "[Ljava/lang/String;");
        mv.visitVarInsn(Opcodes.ILOAD, 3);
        mv.visitInsn(Opcodes.AALOAD);
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "remove", "(Ljava/lang/Object;)Z", true);
        mv.visitInsn(Opcodes.POP);
        Label l8 = helper.createLabel();
        mv.visitLabel(l8);
        mv.visitLineNumber(1041, l8);
        mv.visitIincInsn(3, 2);
        mv.visitLabel(l6);
        mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        mv.visitVarInsn(Opcodes.ILOAD, 3);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, slashedName, "nsctxt", "[Ljava/lang/String;");
        mv.visitInsn(Opcodes.ARRAYLENGTH);
        mv.visitJumpInsn(Opcodes.IF_ICMPLT, l7);
        Label l9 = helper.createLabel();
        mv.visitLabel(l9);
        mv.visitLineNumber(1044, l9);
        mv.visitVarInsn(Opcodes.ALOAD, 2);
        mv.visitVarInsn(Opcodes.ALOAD, 2);
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "size", "()I", true);
        mv.visitTypeInsn(Opcodes.ANEWARRAY, "java/lang/String");
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "toArray", "([Ljava/lang/Object;)[Ljava/lang/Object;", true);
        mv.visitTypeInsn(Opcodes.CHECKCAST, "[Ljava/lang/String;");
        mv.visitInsn(Opcodes.ARETURN);
        Label l10 = helper.createLabel();
        mv.visitLabel(l10);
        mv.visitLocalVariable("this", "L" + slashedName + ";", null, l0, l10, 0);
        mv.visitLocalVariable("sup", "[Ljava/lang/String;", null, l1, l10, 1);
        mv.visitLocalVariable("s", "Ljava/util/List;", "Ljava/util/List<Ljava/lang/String;>;", l4, l10, 2);
        mv.visitLocalVariable("x", "I", null, l5, l9, 3);
        mv.visitMaxs(3, 4);
        mv.visitEnd();
        cw.visitEnd();
        byte[] bts = cw.toByteArray();
        cls = helper.loadClass(className, mcls, bts);
    }
    try {
        return cls.getConstructor(Map.class).newInstance(map);
    } catch (Throwable e) {
        e.printStackTrace();
        return null;
    }
}
Also used : Label(org.apache.cxf.common.util.ASMHelper.Label) ASMHelper(org.apache.cxf.common.util.ASMHelper) FieldVisitor(org.apache.cxf.common.util.ASMHelper.FieldVisitor) Map(java.util.Map) HashMap(java.util.HashMap) ClassWriter(org.apache.cxf.common.util.ASMHelper.ClassWriter) MethodVisitor(org.apache.cxf.common.util.ASMHelper.MethodVisitor)

Aggregations

MethodVisitor (org.apache.cxf.common.util.ASMHelper.MethodVisitor)9 Label (org.apache.cxf.common.util.ASMHelper.Label)8 ASMHelper (org.apache.cxf.common.util.ASMHelper)3 ClassWriter (org.apache.cxf.common.util.ASMHelper.ClassWriter)3 FieldVisitor (org.apache.cxf.common.util.ASMHelper.FieldVisitor)3 HashMap (java.util.HashMap)2 Map (java.util.Map)2 Method (java.lang.reflect.Method)1 AnnotationVisitor (org.apache.cxf.common.util.ASMHelper.AnnotationVisitor)1
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