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parser for .proto files
There is a newer version: 3.1.40
//========================================================================
//Copyright 2007-2009 David Yu [email protected]
//------------------------------------------------------------------------
//Licensed under the Apache License, Version 2.0 (the "License");
//you may not use this file except in compliance with the License.
//You may obtain a copy of the License at 
//http://www.apache.org/licenses/LICENSE-2.0
//Unless required by applicable law or agreed to in writing, software
//distributed under the License is distributed on an "AS IS" BASIS,
//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//See the License for the specific language governing permissions and
//limitations under the License.
//========================================================================

package io.protostuff.parser;

/**
 * Represents a message field defined in a {@code Proto}.
 * 
 * @author David Yu
 * @created Dec 19, 2009
 */
public class MessageField extends Field
{

    // java.lang.String javaType;
    Message message;

    public MessageField()
    {
        super(false);
    }

    public MessageField(Message message)
    {
        this();
        this.message = message;
    }

    public Message getMessage()
    {
        return message;
    }

    @Override
    public java.lang.String getJavaType()
    {
        // if(javaType!=null)
        // return javaType;

        StringBuilder buffer = new StringBuilder();
        Message.computeName(message, owner, buffer);

        return buffer.toString();
        // return (javaType=buffer.toString());
    }

    public java.lang.String getRegularType()
    {
        java.lang.String javaType = getJavaType();
        Proto messageProto = message.getProto();
        java.lang.String javaPackage = messageProto.getJavaPackageName();
        java.lang.String protoPackage = messageProto.getPackageName();
        if (javaType.startsWith(javaPackage) && !javaPackage.equals(protoPackage))
            return javaType.replace(javaPackage, protoPackage);

        return javaType;
    }

    @Override
    public java.lang.String getDefaultValueAsString()
    {
        return "null";
    }

    @Override
    public boolean isDelimited()
    {
        return true;
    }

    public boolean isSamePackage()
    {
        return getOwner().getProto() == getMessage().getProto();
    }

    public java.lang.String getRelativePath()
    {
        if (isSamePackage())
            return "";

        java.lang.String currentPackage = getOwner().getProto().getPackageName();
        java.lang.String targetPackage = getMessage().getProto().getPackageName();
        java.lang.String path = "../";
        for (int idx = currentPackage.indexOf('.'); idx != -1; idx = currentPackage.indexOf('.', idx + 1))
            path += "../";

        return path + targetPackage.replace('.', '/') + "/";
    }

    @Override
    public java.lang.String getProtoType()
    {
        return getRegularType();
    }
}