org.pentaho.platform.repository.solution.filebased.MondrianFileObject.java Source code

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Here is the source code for org.pentaho.platform.repository.solution.filebased.MondrianFileObject.java

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/*
 * Copyright 2015 Pentaho Corporation.  All rights reserved.
 *
 * This software was developed by Pentaho Corporation and is provided under the terms
 * of the Mozilla Public License, Version 1.1, or any later version. You may not use
 * this file except in compliance with the license. If you need a copy of the license,
 * please go to http://www.mozilla.org/MPL/MPL-1.1.txt. TThe Initial Developer is Pentaho Corporation.
 *
 * Software distributed under the Mozilla Public License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or  implied. Please refer to
 * the license for the specific language governing your rights and limitations.
 */
package org.pentaho.platform.repository.solution.filebased;

import org.apache.commons.vfs2.FileContent;
import org.apache.commons.vfs2.FileObject;
import org.apache.commons.vfs2.FileSystemException;
import org.apache.commons.vfs2.impl.DecoratedFileObject;
import org.pentaho.platform.api.repository2.unified.MondrianSchemaAnnotator;

import java.io.InputStream;

/**
 * FileObject that applies Mondrian schema annotations to the InputStream
 */
class MondrianFileObject extends DecoratedFileObject {

    private final FileObject annotationsFile;
    private final MondrianSchemaAnnotator annotator;

    public MondrianFileObject(final FileObject schemaFile, final FileObject annotationsFile,
            final MondrianSchemaAnnotator annotator) {
        super(schemaFile);
        this.annotationsFile = annotationsFile;
        this.annotator = annotator;
    }

    @Override
    public FileContent getContent() throws FileSystemException {
        return new DecoratedFileContent(super.getContent()) {
            @Override
            public InputStream getInputStream() throws FileSystemException {
                return annotator.getInputStream(super.getInputStream(),
                        annotationsFile.getContent().getInputStream());
            }
        };
    }
}