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

Example 1 with ASMHelper

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

the class JAXBContextInitializer method createFactory.

@SuppressWarnings("unused")
private Object createFactory(Class<?> cls, Constructor<?> contructor) {
    String newClassName = cls.getName() + "Factory";
    ASMHelper helper = new ASMHelper();
    ClassWriter cw = helper.createClassWriter();
    MethodVisitor mv;
    cw.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER, ASMHelper.periodToSlashes(newClassName), null, "java/lang/Object", null);
    cw.visitSource(cls.getSimpleName() + "Factory" + ".java", null);
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null);
    mv.visitCode();
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "create" + cls.getSimpleName(), "()L" + ASMHelper.periodToSlashes(cls.getName()) + ";", null, null);
    mv.visitCode();
    String name = cls.getName().replace(".", "/");
    mv.visitTypeInsn(Opcodes.NEW, name);
    mv.visitInsn(Opcodes.DUP);
    StringBuilder paraString = new StringBuilder("(");
    for (Class<?> paraClass : contructor.getParameterTypes()) {
        mv.visitInsn(Opcodes.ACONST_NULL);
        paraString.append("Ljava/lang/Object;");
    }
    paraString.append(")V");
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, name, "<init>", paraString.toString(), false);
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
    cw.visitEnd();
    Class<?> factoryClass = helper.loadClass(newClassName, cls, cw.toByteArray());
    try {
        return factoryClass.newInstance();
    } catch (Exception e) {
    // ignore
    }
    return null;
}

Example 2 with ASMHelper

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

the class JAXBExtensionHelper method createExtensionClass.

// CHECKSTYLE:OFF - very complicated ASM code
private static Class<?> createExtensionClass(Class<?> cls, QName qname, ClassLoader loader) {
    String className = ASMHelper.periodToSlashes(cls.getName());
    ASMHelper helper = new ASMHelper();
    Class<?> extClass = helper.findClass(className + "Extensibility", loader);
    if (extClass != null) {
        return extClass;
    }
    ClassWriter cw = helper.createClassWriter();
    FieldVisitor fv;
    MethodVisitor mv;
    AnnotationVisitor av0;
    cw.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER + Opcodes.ACC_SYNTHETIC, className + "Extensibility", null, className, new String[] { "javax/wsdl/extensions/ExtensibilityElement" });
    cw.visitSource(cls.getSimpleName() + "Extensibility.java", null);
    fv = cw.visitField(Opcodes.ACC_PRIVATE + Opcodes.ACC_FINAL + Opcodes.ACC_STATIC, "WSDL_REQUIRED", "Ljavax/xml/namespace/QName;", null, null);
    fv.visitEnd();
    fv = cw.visitField(0, "qn", "Ljavax/xml/namespace/QName;", null, null);
    fv.visitEnd();
    boolean hasAttributes = false;
    try {
        Method m = cls.getDeclaredMethod("getOtherAttributes");
        if (m != null && m.getReturnType() == Map.class) {
            hasAttributes = true;
        }
    } catch (Throwable t) {
    // ignore
    }
    if (hasAttributes) {
        mv = cw.visitMethod(Opcodes.ACC_STATIC, "<clinit>", "()V", null, null);
        mv.visitCode();
        Label l0 = helper.createLabel();
        mv.visitLabel(l0);
        mv.visitLineNumber(64, l0);
        mv.visitTypeInsn(Opcodes.NEW, "javax/xml/namespace/QName");
        mv.visitInsn(Opcodes.DUP);
        mv.visitLdcInsn("http://schemas.xmlsoap.org/wsdl/");
        mv.visitLdcInsn("required");
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "javax/xml/namespace/QName", "<init>", "(Ljava/lang/String;Ljava/lang/String;)V", false);
        mv.visitFieldInsn(Opcodes.PUTSTATIC, className + "Extensibility", "WSDL_REQUIRED", "Ljavax/xml/namespace/QName;");
        mv.visitInsn(Opcodes.RETURN);
        mv.visitMaxs(4, 0);
        mv.visitEnd();
    } else {
        fv = cw.visitField(Opcodes.ACC_PRIVATE, "required", "Ljava/lang/Boolean;", null, null);
        fv.visitEnd();
    }
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null);
    mv.visitCode();
    Label l0 = helper.createLabel();
    mv.visitLabel(l0);
    mv.visitLineNumber(33, l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, className, "<init>", "()V", false);
    Label l1 = helper.createLabel();
    mv.visitLabel(l1);
    mv.visitLineNumber(31, l1);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitTypeInsn(Opcodes.NEW, "javax/xml/namespace/QName");
    mv.visitInsn(Opcodes.DUP);
    mv.visitLdcInsn(qname.getNamespaceURI());
    mv.visitLdcInsn(qname.getLocalPart());
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "javax/xml/namespace/QName", "<init>", "(Ljava/lang/String;Ljava/lang/String;)V", false);
    mv.visitFieldInsn(Opcodes.PUTFIELD, className + "Extensibility", "qn", "Ljavax/xml/namespace/QName;");
    Label l2 = helper.createLabel();
    mv.visitLabel(l2);
    mv.visitLineNumber(34, l2);
    mv.visitInsn(Opcodes.RETURN);
    Label l3 = helper.createLabel();
    mv.visitLabel(l3);
    mv.visitLocalVariable("this", "L" + className + "Extensibility;", null, l0, l3, 0);
    mv.visitMaxs(5, 1);
    mv.visitEnd();
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "setElementType", "(Ljavax/xml/namespace/QName;)V", null, null);
    mv.visitCode();
    l0 = helper.createLabel();
    mv.visitLabel(l0);
    mv.visitLineNumber(37, l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitFieldInsn(Opcodes.PUTFIELD, className + "Extensibility", "qn", "Ljavax/xml/namespace/QName;");
    l1 = helper.createLabel();
    mv.visitLabel(l1);
    mv.visitLineNumber(38, l1);
    mv.visitInsn(Opcodes.RETURN);
    l2 = helper.createLabel();
    mv.visitLabel(l2);
    mv.visitLocalVariable("this", "L" + className + "Extensibility;", null, l0, l2, 0);
    mv.visitLocalVariable("elementType", "Ljavax/xml/namespace/QName;", null, l0, l2, 1);
    mv.visitMaxs(2, 2);
    mv.visitEnd();
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getElementType", "()Ljavax/xml/namespace/QName;", null, null);
    av0 = mv.visitAnnotation("Ljavax/xml/bind/annotation/XmlTransient;", true);
    av0.visitEnd();
    mv.visitCode();
    l0 = helper.createLabel();
    mv.visitLabel(l0);
    mv.visitLineNumber(40, l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, className + "Extensibility", "qn", "Ljavax/xml/namespace/QName;");
    mv.visitInsn(Opcodes.ARETURN);
    l1 = helper.createLabel();
    mv.visitLabel(l1);
    mv.visitLocalVariable("this", "L" + className + "Extensibility;", null, l0, l1, 0);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
    if (hasAttributes) {
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getRequired", "()Ljava/lang/Boolean;", null, null);
        mv.visitCode();
        l0 = helper.createLabel();
        mv.visitLabel(l0);
        mv.visitLineNumber(66, l0);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, className + "Extensibility", "getOtherAttributes", "()Ljava/util/Map;", false);
        mv.visitFieldInsn(Opcodes.GETSTATIC, className + "Extensibility", "WSDL_REQUIRED", "Ljavax/xml/namespace/QName;");
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Map", "get", "(Ljava/lang/Object;)Ljava/lang/Object;", true);
        mv.visitTypeInsn(Opcodes.CHECKCAST, "java/lang/String");
        mv.visitVarInsn(Opcodes.ASTORE, 1);
        l1 = helper.createLabel();
        mv.visitLabel(l1);
        mv.visitLineNumber(67, l1);
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        l2 = helper.createLabel();
        mv.visitJumpInsn(Opcodes.IFNONNULL, l2);
        mv.visitInsn(Opcodes.ACONST_NULL);
        l3 = helper.createLabel();
        mv.visitJumpInsn(Opcodes.GOTO, l3);
        mv.visitLabel(l2);
        mv.visitFrame(Opcodes.F_APPEND, 1, new Object[] { "java/lang/String" }, 0, null);
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Boolean", "valueOf", "(Ljava/lang/String;)Ljava/lang/Boolean;", false);
        mv.visitLabel(l3);
        mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/Boolean" });
        mv.visitInsn(Opcodes.ARETURN);
        Label l4 = helper.createLabel();
        mv.visitLabel(l4);
        mv.visitLocalVariable("this", "L" + className + "Extensibility;", null, l0, l4, 0);
        mv.visitLocalVariable("s", "Ljava/lang/String;", null, l1, l4, 1);
        mv.visitMaxs(2, 2);
        mv.visitEnd();
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "setRequired", "(Ljava/lang/Boolean;)V", null, null);
        mv.visitCode();
        l0 = helper.createLabel();
        mv.visitLabel(l0);
        mv.visitLineNumber(76, l0);
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        l1 = helper.createLabel();
        mv.visitJumpInsn(Opcodes.IFNONNULL, l1);
        l2 = helper.createLabel();
        mv.visitLabel(l2);
        mv.visitLineNumber(77, l2);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, className + "Extensibility", "getOtherAttributes", "()Ljava/util/Map;", false);
        mv.visitFieldInsn(Opcodes.GETSTATIC, className + "Extensibility", "WSDL_REQUIRED", "Ljavax/xml/namespace/QName;");
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Map", "remove", "(Ljava/lang/Object;)Ljava/lang/Object;", true);
        mv.visitInsn(Opcodes.POP);
        l3 = helper.createLabel();
        mv.visitLabel(l3);
        mv.visitLineNumber(78, l3);
        l4 = helper.createLabel();
        mv.visitJumpInsn(Opcodes.GOTO, l4);
        mv.visitLabel(l1);
        mv.visitLineNumber(79, l1);
        mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, className + "Extensibility", "getOtherAttributes", "()Ljava/util/Map;", false);
        mv.visitFieldInsn(Opcodes.GETSTATIC, className + "Extensibility", "WSDL_REQUIRED", "Ljavax/xml/namespace/QName;");
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Boolean", "toString", "()Ljava/lang/String;", false);
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Map", "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", true);
        mv.visitInsn(Opcodes.POP);
        mv.visitLabel(l4);
        mv.visitLineNumber(81, l4);
        mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        mv.visitInsn(Opcodes.RETURN);
        Label l5 = helper.createLabel();
        mv.visitLabel(l5);
        mv.visitLocalVariable("this", "L" + className + "Extensibility;", null, l0, l5, 0);
        mv.visitLocalVariable("b", "Ljava/lang/Boolean;", null, l0, l5, 1);
        mv.visitMaxs(3, 2);
        mv.visitEnd();
    } else {
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getRequired", "()Ljava/lang/Boolean;", null, null);
        mv.visitCode();
        l0 = helper.createLabel();
        mv.visitLabel(l0);
        mv.visitLineNumber(68, l0);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, className + "Extensibility", "required", "Ljava/lang/Boolean;");
        mv.visitInsn(Opcodes.ARETURN);
        l1 = helper.createLabel();
        mv.visitLabel(l1);
        mv.visitLocalVariable("this", "L" + className + "Extensibility;", null, l0, l1, 0);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "setRequired", "(Ljava/lang/Boolean;)V", null, null);
        mv.visitCode();
        l0 = helper.createLabel();
        mv.visitLabel(l0);
        mv.visitLineNumber(71, l0);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        mv.visitFieldInsn(Opcodes.PUTFIELD, className + "Extensibility", "required", "Ljava/lang/Boolean;");
        l1 = helper.createLabel();
        mv.visitLabel(l1);
        mv.visitLineNumber(72, l1);
        mv.visitInsn(Opcodes.RETURN);
        l2 = helper.createLabel();
        mv.visitLabel(l2);
        mv.visitLocalVariable("this", "L" + className + "Extensibility;", null, l0, l2, 0);
        mv.visitLocalVariable("b", "Ljava/lang/Boolean;", null, l0, l2, 1);
        mv.visitMaxs(2, 2);
        mv.visitEnd();
    }
    cw.visitEnd();
    byte[] bytes = cw.toByteArray();
    return helper.loadClass(className + "Extensibility", loader, bytes);
}

Example 3 with ASMHelper

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

the class CorbaAnyHelper method createFixedAnyConstructor.

private static synchronized void createFixedAnyConstructor() {
    if (fixedAnyConstructor != null) {
        return;
    }
    ASMHelper helper = new ASMHelper();
    ClassWriter cw = helper.createClassWriter();
    FieldVisitor fv;
    cw.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER, "org/apache/cxf/binding/corba/utils/FixedAnyImpl", null, "com/sun/corba/se/impl/corba/AnyImpl", null);
    cw.visitSource("FixedAnyImpl.java", null);
    fv = cw.visitField(0, "obj", "Lorg/omg/CORBA/portable/Streamable;", null, null);
    fv.visitEnd();
    addFixedAnyConstructor(helper, cw);
    addInsertOverride(helper, cw);
    addExtractOverride(helper, cw);
    addWriteOverride(helper, cw);
    addReadOverride(helper, cw);
    cw.visitEnd();
    byte[] b = cw.toByteArray();
    Class<?> c = helper.loadClass("org.apache.cxf.binding.corba.utils.FixedAnyImpl", CorbaAnyHelper.class, b);
    try {
        fixedAnyConstructor = c.getConstructor(ORB.class, Any.class);
    } catch (Exception e) {
    // shouldn't happen since we generated that constructor
    }
}

Example 4 with ASMHelper

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

the class ClientServerMiscTest method runDocLitTest.

private void runDocLitTest(DocLitWrappedCodeFirstService port) throws Exception {
    assertEquals("snarf", port.doBug2692("snarf"));
    CXF2411Result<CXF2411SubClass> o = port.doCXF2411();
    assertNotNull(o);
    assertNotNull(o.getContent());
    Object[] ar = o.getContent();
    assertTrue(ar[0] instanceof CXF2411SubClass);
    Foo foo = new Foo();
    foo.setName("blah");
    assertEquals("blah", port.modifyFoo(foo).getName());
    assertEquals("hello", port.outOnly(new Holder<String>(), new Holder<String>()));
    long start = System.currentTimeMillis();
    port.doOneWay();
    assertTrue((System.currentTimeMillis() - start) < 500);
    assertEquals("Hello", port.echoStringNotReallyAsync("Hello"));
    Set<Foo> fooSet = port.getFooSet();
    assertEquals(2, fooSet.size());
    assertEquals("size: 2", port.doFooList(new ArrayList<>(fooSet)));
    assertEquals(24, port.echoIntDifferentWrapperName(24));
    String echoMsg = port.echo("Hello");
    assertEquals("Hello", echoMsg);
    List<String> rev = new ArrayList<>(Arrays.asList(DocLitWrappedCodeFirstServiceImpl.DATA));
    Collections.reverse(rev);
    String s;
    String[] arrayOut = port.arrayOutput();
    assertNotNull(arrayOut);
    assertEquals(3, arrayOut.length);
    for (int x = 0; x < 3; x++) {
        assertEquals(DocLitWrappedCodeFirstServiceImpl.DATA[x], arrayOut[x]);
    }
    List<String> listOut = port.listOutput();
    assertNotNull(listOut);
    assertEquals(3, listOut.size());
    for (int x = 0; x < 3; x++) {
        assertEquals(DocLitWrappedCodeFirstServiceImpl.DATA[x], listOut.get(x));
    }
    s = port.arrayInput(DocLitWrappedCodeFirstServiceImpl.DATA);
    assertEquals("string1string2string3", s);
    s = port.listInput(java.util.Arrays.asList(DocLitWrappedCodeFirstServiceImpl.DATA));
    assertEquals("string1string2string3", s);
    s = port.multiListInput(Arrays.asList(DocLitWrappedCodeFirstServiceImpl.DATA), rev, "Hello", 24);
    assertEquals("string1string2string3string3string2string1Hello24", s);
    s = port.listInput(new ArrayList<>());
    assertEquals("", s);
    s = port.listInput(null);
    assertEquals("", s);
    s = port.multiListInput(Arrays.asList(DocLitWrappedCodeFirstServiceImpl.DATA), rev, null, 24);
    assertEquals("string1string2string3string3string2string1<null>24", s);
    Holder<String> a = new Holder<String>();
    Holder<String> b = new Holder<String>("Hello");
    Holder<String> c = new Holder<String>();
    Holder<String> d = new Holder<String>(" ");
    Holder<String> e = new Holder<String>("world!");
    Holder<String> f = new Holder<String>();
    Holder<String> g = new Holder<String>();
    s = port.multiInOut(a, b, c, d, e, f, g);
    assertEquals("Hello world!", s);
    assertEquals("a", a.value);
    assertEquals("b", b.value);
    assertEquals("c", c.value);
    assertEquals("d", d.value);
    assertEquals("e", e.value);
    assertEquals("f", f.value);
    assertEquals("g", g.value);
    List<Foo> foos = port.listObjectOutput();
    assertEquals(2, foos.size());
    assertEquals("a", foos.get(0).getName());
    assertEquals("b", foos.get(1).getName());
    List<Foo[]> foos2 = port.listObjectArrayOutput();
    assertNotNull(foos2);
    assertEquals(2, foos2.size());
    assertEquals(2, foos2.get(0).length);
    assertEquals(2, foos2.get(1).length);
    int[] ints = port.echoIntArray(new int[] { 1, 2, 3 }, null);
    assertEquals(3, ints.length);
    assertEquals(1, ints[0]);
    if (new ASMHelper().createClassWriter() != null) {
        // doing the type adapter things and such really
        // requires the ASM generated helper classes
        assertEquals("Val", port.createBar("Val").getName());
    }
    testExceptionCases(port);
}

Example 5 with ASMHelper

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

the class JAXBUtils method createNamespaceWrapper.

private static synchronized Object createNamespaceWrapper(Class<?> mcls, Map<String, String> map) {
    String postFix = "";
    if (mcls.getName().contains("eclipse")) {
        return createEclipseNamespaceMapper(mcls, map);
    } else if (mcls.getName().contains(".internal")) {
        postFix = "Internal";
    } else if (mcls.getName().contains("com.sun")) {
        postFix = "RI";
    }
    ASMHelper helper = new ASMHelper();
    String className = "org.apache.cxf.jaxb.NamespaceMapper";
    className += postFix;
    Class<?> cls = helper.findClass(className, JAXBUtils.class);
    Throwable t = null;
    if (cls == null) {
        try {
            ClassWriter cw = helper.createClassWriter();
            if (cw != null) {
                cls = createNamespaceWrapperInternal(helper, cw, postFix, mcls);
            }
        } catch (RuntimeException ex) {
            // continue
            t = ex;
        }
    }
    if (cls == null && (!mcls.getName().contains(".internal.") && mcls.getName().contains("com.sun"))) {
        try {
            cls = ClassLoaderUtils.loadClass("org.apache.cxf.common.jaxb.NamespaceMapper", JAXBUtils.class);
        } catch (Throwable ex2) {
            // ignore
            t = ex2;
        }
    }
    if (cls != null) {
        try {
            return cls.getConstructor(Map.class).newInstance(map);
        } catch (Exception e) {
            // ignore
            t = e;
        }
    }
    LOG.log(Level.INFO, "Could not create a NamespaceMapper compatible with Marshaller class " + mcls.getName(), t);
    return null;
}