Java TypeCodeReader类代码示例

import com.sun.corba.se.impl.encoding.TypeCodeReader; //导入依赖的package包/类
public void read_value(InputStream is) {
    if (is instanceof TypeCodeReader) {
        // hardly possible unless caller knows our "private" stream classes.
        if (read_value_kind((TypeCodeReader)is))
            read_value_body(is);
    } else if (is instanceof CDRInputStream) {
        WrapperInputStream wrapper = new WrapperInputStream((CDRInputStream)is);
        //if (debug) System.out.println("Created WrapperInputStream " + wrapper +
        // " with no parent");
        if (read_value_kind((TypeCodeReader)wrapper))
            read_value_body(wrapper);
    } else {
        read_value_kind(is);
        read_value_body(is);
    }
}
 

import com.sun.corba.se.impl.encoding.TypeCodeReader; //导入依赖的package包/类
private void read_value_recursive(TypeCodeInputStream is) {
    // don't wrap a CDRInputStream reading "inner" TypeCodes.
    if (is instanceof TypeCodeReader) {
        if (read_value_kind((TypeCodeReader)is))
            read_value_body(is);
    } else {
        read_value_kind((InputStream)is);
        read_value_body(is);
    }
}
 

import com.sun.corba.se.impl.encoding.TypeCodeReader; //导入依赖的package包/类
boolean read_value_kind(TypeCodeReader tcis)
{
    _kind = tcis.read_long();

    // Bug fix 5034649: allow for padding that precedes the typecode kind.
    int myPosition = tcis.getTopLevelPosition()-4;

    // check validity of kind
    if ((_kind < 0 || _kind > typeTable.length) && _kind != tk_indirect) {
        throw wrapper.cannotMarshalBadTckind() ;
    }

    // Don't do any work if this is native
    if (_kind == TCKind._tk_native)
        throw wrapper.cannotMarshalNative() ;

    // We have to remember the stream and position for EVERY type code
    // in case some recursive or indirect type code references it.
    TypeCodeReader topStream = tcis.getTopLevelStream();

    if (_kind == tk_indirect) {
        int streamOffset = tcis.read_long();
        if (streamOffset > -4)
            throw wrapper.invalidIndirection( new Integer(streamOffset) ) ;

        // The encoding used for indirection is the same as that used for recursive ,
        // TypeCodes i.e., a 0xffffffff indirection marker followed by a long offset
        // (in units of octets) from the beginning of the long offset.
        int topPos = tcis.getTopLevelPosition();
        // substract 4 to get back to the beginning of the long offset.
        int indirectTypePosition = topPos - 4 + streamOffset;

        // Now we have to find the referenced type
        // by its indirectTypePosition within topStream.
        //if (debug) System.out.println(
        // "TypeCodeImpl looking up indirection at position topPos " +
        //topPos + " - 4 + offset " + streamOffset + " = " + indirectTypePosition);
        TypeCodeImpl type = topStream.getTypeCodeAtPosition(indirectTypePosition);
        if (type == null)
            throw wrapper.indirectionNotFound( new Integer(indirectTypePosition) ) ;
        setIndirectType(type);
        return false;
    }

    topStream.addTypeCodeAtPosition(this, myPosition);
    return true;
}