RQMLDocumentFacade.java

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package com.arcle.rmt.j2se.model;

import java.io.File;

import com.arcle.rmt.j2se.model.domimpl.DocumentImpl;
import com.arcle.rmt.j2se.model.domimpl.DocumentFacadeImpl;

public abstract class RQMLDocumentFacade {
    protected RQMLDocumentFacade() {
    }

    public abstract RQMLDocument createRQMLDocument()
        throws RQMLDocumentFacadeException;


    public abstract RQMLDocument openDocument(File rqmlDocument)
        throws RQMLDocumentFacadeException;

    public abstract void saveDocument(RQMLDocument doc, File docFile)
        throws RQMLDocumentFacadeException;


    protected void rethrowException(Exception realException)
            throws RQMLDocumentFacadeException {
        throw new RQMLDocumentFacadeException(realException);
    }

    public synchronized static final RQMLDocumentFacade getInstance() {
        if (_instance == null) {
            _instance = new DocumentFacadeImpl();
        }
        return _instance;
    }

    private static RQMLDocumentFacade _instance = null;

}

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