org.openecomp.core.utilities.file.FileContentHandler.java Source code

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Here is the source code for org.openecomp.core.utilities.file.FileContentHandler.java

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/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.core.utilities.file;

import org.apache.commons.collections4.MapUtils;

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

public class FileContentHandler {
    private Map<String, byte[]> files = new HashMap<>();

    /**
     * Gets file content.
     *
     * @param fileName the file name
     * @return the file content
     */
    public InputStream getFileContent(String fileName) {

        byte[] content = files.get(fileName);
        if (content == null || content.length == 0) {
            return null;
        }

        ByteArrayInputStream is = new ByteArrayInputStream(content);
        return is;
    }

    public void addFile(String fileName, byte[] contect) {
        files.put(fileName, contect);
    }

    public void addFile(String fileName, InputStream is) {

        files.put(fileName, FileUtils.toByteArray(is));
    }

    public void setFiles(FileContentHandler extFiles) {
        extFiles.getFileList().stream()
                .forEach(fileName -> this.addFile(fileName, extFiles.getFileContent(fileName)));
    }

    public Set<String> getFileList() {
        return files.keySet();
    }

    public void putAll(Map<String, byte[]> files) {
        this.files = files;
    }

    public void addAll(FileContentHandler other) {
        this.files.putAll(other.files);
    }

    public boolean isEmpty() {
        return MapUtils.isEmpty(this.files);
    }

    public void remove(String fileName) {
        files.remove(fileName);
    }

    public boolean containsFile(String fileName) {
        return files.containsKey(fileName);
    }
}