Java Util.getCodebase方法代码示例

import javax.rmi.CORBA.Util; //导入方法依赖的package包/类
public String implementation (String x){
    try{
        // default to using the current ORB version in case the
        // vhandler is not set
        if (vhandler == null) {
            vhandler = ValueHandlerImpl.getInstance(false);
        }

        // Util.getCodebase may return null which would
        // cause a BAD_PARAM exception.
        String result = Util.getCodebase(vhandler.getClassFromType(x));
        if (result == null)
            return "";
        else
            return result;
    } catch(ClassNotFoundException cnfe){
        throw wrapper.missingLocalValueImpl( CompletionStatus.COMPLETED_MAYBE,
            cnfe ) ;
    }
}
 

import javax.rmi.CORBA.Util; //导入方法依赖的package包/类
public String implementation (String x){
    try{
        // default to using the current ORB version in case the
        // vhandler is not set
        if (vhandler == null) {
            vhandler = new ValueHandlerImpl(false);
        }

        // Util.getCodebase may return null which would
        // cause a BAD_PARAM exception.
        String result = Util.getCodebase(vhandler.getClassFromType(x));
        if (result == null)
            return "";
        else
            return result;
    } catch(ClassNotFoundException cnfe){
        throw wrapper.missingLocalValueImpl( CompletionStatus.COMPLETED_MAYBE,
            cnfe ) ;
    }
}
 

import javax.rmi.CORBA.Util; //导入方法依赖的package包/类
/**
 * Get the helper for an IDLValue
 *
 * Throws MARSHAL exception if no helper found.
 */
public static BoxedValueHelper getHelper(Class clazz, String codebase,
    String repId)
{
    String className = null;
    if (clazz != null) {
        className = clazz.getName();
        if (codebase == null)
            codebase = Util.getCodebase(clazz);
    } else {
        if (repId != null)
            className = RepositoryId.cache.getId(repId).getClassName();
        if (className == null) // no repId or unrecognized repId
            throw wrapper.unableLocateValueHelper(
                CompletionStatus.COMPLETED_MAYBE);
    }

    try {
        ClassLoader clazzLoader =
            (clazz == null ? null : clazz.getClassLoader());
        Class helperClass =
            loadClassForClass(className+"Helper", codebase, clazzLoader,
            clazz, clazzLoader);
        return (BoxedValueHelper)helperClass.newInstance();

    } catch (ClassNotFoundException cnfe) {
        throw wrapper.unableLocateValueHelper( CompletionStatus.COMPLETED_MAYBE,
            cnfe );
    } catch (IllegalAccessException iae) {
        throw wrapper.unableLocateValueHelper( CompletionStatus.COMPLETED_MAYBE,
            iae );
    } catch (InstantiationException ie) {
        throw wrapper.unableLocateValueHelper( CompletionStatus.COMPLETED_MAYBE,
            ie );
    } catch (ClassCastException cce) {
        throw wrapper.unableLocateValueHelper( CompletionStatus.COMPLETED_MAYBE,
            cce );
    }
}
 

import javax.rmi.CORBA.Util; //导入方法依赖的package包/类
/**
 * Get the factory for an IDLValue
 *
 * Throws MARSHAL exception if no factory found.
 */
public static ValueFactory getFactory(Class clazz, String codebase,
                           ORB orb, String repId)
{
    ValueFactory factory = null;
    if ((orb != null) && (repId != null)) {
        try {
            factory = ((org.omg.CORBA_2_3.ORB)orb).lookup_value_factory(
                repId);
        } catch (org.omg.CORBA.BAD_PARAM ex) {
            // Try other way
        }
    }

    String className = null;
    if (clazz != null) {
        className = clazz.getName();
        if (codebase == null)
            codebase = Util.getCodebase(clazz);
    } else {
        if (repId != null)
            className = RepositoryId.cache.getId(repId).getClassName();
        if (className == null) // no repId or unrecognized repId
            throw omgWrapper.unableLocateValueFactory(
                CompletionStatus.COMPLETED_MAYBE);
    }

    // if earlier search found a non-default factory, or the same default
    // factory that loadClassForClass would return, bale out now...
    if (factory != null &&
        (!factory.getClass().getName().equals(className+"DefaultFactory") ||
         (clazz == null && codebase == null)))
        return factory;

    try {
        ClassLoader clazzLoader =
            (clazz == null ? null : clazz.getClassLoader());
        Class factoryClass =
            loadClassForClass(className+"DefaultFactory", codebase,
            clazzLoader, clazz, clazzLoader);
        return (ValueFactory)factoryClass.newInstance();

    } catch (ClassNotFoundException cnfe) {
        throw omgWrapper.unableLocateValueFactory(
            CompletionStatus.COMPLETED_MAYBE, cnfe);
    } catch (IllegalAccessException iae) {
        throw omgWrapper.unableLocateValueFactory(
            CompletionStatus.COMPLETED_MAYBE, iae);
    } catch (InstantiationException ie) {
        throw omgWrapper.unableLocateValueFactory(
            CompletionStatus.COMPLETED_MAYBE, ie);
    } catch (ClassCastException cce) {
        throw omgWrapper.unableLocateValueFactory(
            CompletionStatus.COMPLETED_MAYBE, cce);
    }
}
 

import javax.rmi.CORBA.Util; //导入方法依赖的package包/类
private void writeIDLEntity(IDLEntity object) {

        // _REVISIT_ could check to see whether chunking really needed
        mustChunk = true;

        String repository_id = repIdStrs.createForJavaType(object);
        Class clazz = object.getClass();
        String codebase = Util.getCodebase(clazz);

        // Write value_tag
        int indirection = writeValueTag(true, true, codebase);
        updateIndirectionTable(indirection, object, object);

        // Write rep. id
        write_repositoryId(repository_id);

        // Write Value chunk
        end_flag--;
        chunkedValueNestingLevel--;
        start_block();

        // Write the IDLEntity using reflection
        try {
            ClassLoader clazzLoader = (clazz == null ? null : clazz.getClassLoader());
            final Class helperClass = Utility.loadClassForClass(clazz.getName()+"Helper", codebase,
                                                   clazzLoader, clazz, clazzLoader);
            final Class argTypes[] = {org.omg.CORBA.portable.OutputStream.class, clazz};
            // getDeclaredMethod requires RuntimePermission accessDeclaredMembers
            // if a different class loader is used (even though the javadoc says otherwise)
            Method writeMethod = null;
            try {
                writeMethod = (Method)AccessController.doPrivileged(
                    new PrivilegedExceptionAction() {
                        public java.lang.Object run() throws NoSuchMethodException {
                            return helperClass.getDeclaredMethod(kWriteMethod, argTypes);
                        }
                    }
                );
            } catch (PrivilegedActionException pae) {
                // this gets caught below
                throw (NoSuchMethodException)pae.getException();
            }
            java.lang.Object args[] = {parent, object};
            writeMethod.invoke(null, args);
        } catch (ClassNotFoundException cnfe) {
            throw wrapper.errorInvokingHelperWrite( CompletionStatus.COMPLETED_MAYBE, cnfe ) ;
        } catch(NoSuchMethodException nsme) {
            throw wrapper.errorInvokingHelperWrite( CompletionStatus.COMPLETED_MAYBE, nsme ) ;
        } catch(IllegalAccessException iae) {
            throw wrapper.errorInvokingHelperWrite( CompletionStatus.COMPLETED_MAYBE, iae ) ;
        } catch(InvocationTargetException ite) {
            throw wrapper.errorInvokingHelperWrite( CompletionStatus.COMPLETED_MAYBE, ite ) ;
        }
        end_block();

        // Write end tag
        writeEndTag(true);
    }