Examples with RETURN org.apache.xbean.asm9.Opcodes.RETURN used on opensource projects

Example 1 with RETURN

use of org.apache.xbean.asm9.Opcodes.RETURN in project component-runtime by Talend.

the class PluginGenerator method createChainPlugin.

public File createChainPlugin(final File dir, final String plugin) {
    final File target = new File(dir, plugin);
    try (final JarOutputStream outputStream = new JarOutputStream(new FileOutputStream(target))) {
        final String packageName = toPackage(target.getParentFile().getParentFile().getName()).replace(".", "/");
        final String sourcePackage = "org/talend/test";
        final String fromPack = sourcePackage.replace('/', '.');
        final String toPack = packageName.replace('.', '/');
        final File root = new File(jarLocation(getClass()), sourcePackage);
        ofNullable(root.listFiles()).map(Stream::of).orElseGet(Stream::empty).filter(c -> c.getName().endsWith(".class")).forEach(clazz -> {
            try (final InputStream is = new FileInputStream(clazz)) {
                final ClassReader reader = new ClassReader(is);
                final ClassWriter writer = new ClassWriter(COMPUTE_FRAMES);
                reader.accept(new ClassRemapper(writer, new Remapper() {

                    @Override
                    public String map(final String key) {
                        return key.replace(sourcePackage, toPack).replace(fromPack, packageName);
                    }
                }), EXPAND_FRAMES);
                outputStream.putNextEntry(new JarEntry(toPack + '/' + clazz.getName()));
                outputStream.write(writer.toByteArray());
            } catch (final IOException e) {
                fail(e.getMessage());
            }
        });
    } catch (final IOException e) {
        throw new IllegalStateException(e);
    }
    return target;
}

Example 2 with RETURN

use of org.apache.xbean.asm9.Opcodes.RETURN in project tomee by apache.

the class PersistenceContextAnnFactory method addAnnotations.

public void addAnnotations(final Class c) throws OpenEJBException {
    if (!useAsm) {
        return;
    }
    if (processed.contains(c.getName())) {
        return;
    }
    try {
        final URL u = c.getResource("/" + c.getName().replace('.', '/') + ".class");
        final ClassReader r = new ClassReader(IO.read(u));
        r.accept(new PersistenceContextReader(contexts), ClassReader.SKIP_DEBUG);
    } catch (final IOException e) {
        throw new OpenEJBException("Unable to read class " + c.getName());
    }
    processed.add(c.getName());
}

Example 3 with RETURN

use of org.apache.xbean.asm9.Opcodes.RETURN in project tomee by apache.

the class Cmp2Generator method createUnsetEntityContext.

public void createUnsetEntityContext() {
    final MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "unsetEntityContext", "()V", null, null);
    mv.visitCode();
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 1);
    mv.visitEnd();
}

Example 4 with RETURN

use of org.apache.xbean.asm9.Opcodes.RETURN in project tomee by apache.

the class Cmp2Generator method createSimplePrimaryKeyGetter.

/**
 * Create a simple internal method for obtaining the
 * primary key.  There are 2 possibilities for handling
 * the primary key here:
 *
 * 1)  There is a defined primary key field.  The
 * contents of that field are returned.
 *
 * 2)  The primary key is provided by the container.
 * This is a long value stored in a private, generated
 * field.  This field is returned as a generated
 * wrappered Long.
 *
 * 3)  A primary key class has been provided.  An instance
 * of this class is instantiated, and code is generated
 * that will copy all of the CMP fields from the EJB
 * into the primary key instance.
 */
private void createSimplePrimaryKeyGetter() {
    final MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "OpenEJB_getPrimaryKey", "()Ljava/lang/Object;", null, null);
    mv.visitCode();
    // the primary key is identifed as a field.  We just return that value directly.
    if (pkField != null) {
        // push the pk field
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, implClassName, pkField.getName(), pkField.getDescriptor());
        // return the pk field (from the stack)
        mv.visitInsn(pkField.getType().getOpcode(IRETURN));
    } else if (Object.class.equals(primKeyClass)) {
        // this is a container-generated primary key.  It's a long value stored in
        // a generated field.  We return that value, wrappered in a Long instance.
        // push the pk field
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, implClassName, UNKNOWN_PK_NAME, UNKNOWN_PK_TYPE.getDescriptor());
        // return the pk field (from the stack)
        mv.visitInsn(UNKNOWN_PK_TYPE.getOpcode(IRETURN));
    } else {
        // We have a primary key class defined.  For every field that matches one of the
        // defined CMP fields, we generate code to copy that value into the corresponding
        // field of the primary key class.
        final String pkImplName = primKeyClass.getName().replace('.', '/');
        // new Pk();
        mv.visitTypeInsn(NEW, pkImplName);
        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, pkImplName, "<init>", "()V", false);
        mv.visitVarInsn(ASTORE, 1);
        mv.visitVarInsn(ALOAD, 1);
        // copy each field from the ejb to the pk class
        for (final Field field : primKeyClass.getFields()) {
            final CmpField cmpField = cmpFields.get(field.getName());
            // only process the cmp fields
            if (cmpField == null) {
                continue;
            }
            // check again since generated code is so hard to debug
            if (!cmpField.getType().getClassName().equals(field.getType().getName())) {
                throw new IllegalArgumentException("Primary key " + cmpField.getName() + " is type " + cmpField.getType().getClassName() + " but CMP field is type " + field.getType().getName());
            }
            // push the value from the cmp bean
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, implClassName, cmpField.getName(), cmpField.getDescriptor());
            // set matching field in the pk class to the value on the stack
            mv.visitFieldInsn(PUTFIELD, pkImplName, cmpField.getName(), cmpField.getDescriptor());
            mv.visitVarInsn(ALOAD, 1);
        }
        // return the Pk();
        mv.visitInsn(ARETURN);
    }
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

Example 5 with RETURN

use of org.apache.xbean.asm9.Opcodes.RETURN in project tomee by apache.

the class Cmp2Generator method createSetter.

/**
 * Generate a concrete setter field for a CMP field.
 * At this point, we're just generating a simple
 * accessor for the field, given the type.  The
 * JPA engine when it makes this implementation class
 * a managed class define whatever additional logic
 * might be required.
 *
 * @param cmpField The CMP field backing this setter method.
 */
private void createSetter(final CmpField cmpField) {
    final String methodName = setterName(cmpField.getName());
    final MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, methodName, "(" + cmpField.getDescriptor() + ")V", null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(cmpField.getType().getOpcode(ILOAD), 1);
    mv.visitFieldInsn(PUTFIELD, implClassName, cmpField.getName(), cmpField.getDescriptor());
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}