com.cloudera.oryx.app.serving.FileItemPart.java Source code

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Here is the source code for com.cloudera.oryx.app.serving.FileItemPart.java

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/*
 * Copyright (c) 2015, Cloudera, Inc. All Rights Reserved.
 *
 * Cloudera, Inc. licenses this file to you 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
 *
 * This software 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 com.cloudera.oryx.app.serving;

import javax.servlet.http.Part;
import java.io.IOException;
import java.io.InputStream;
import java.util.Collection;

import com.google.common.collect.Lists;
import org.apache.commons.fileupload.FileItem;

/**
 * Adapter from {@link FileItem} to {@link Part}, for use in tests while still necessary
 * to work around Grizzly's lack of support for Servlet 3 file uploads.
 */
final class FileItemPart implements Part {

    private final FileItem item;

    FileItemPart(FileItem item) {
        this.item = item;
    }

    @Override
    public InputStream getInputStream() throws IOException {
        return item.getInputStream();
    }

    @Override
    public String getContentType() {
        return item.getContentType();
    }

    @Override
    public String getName() {
        return item.getFieldName();
    }

    @Override
    public String getSubmittedFileName() {
        return item.getName();
    }

    @Override
    public long getSize() {
        return item.getSize();
    }

    /**
     * @throws UnsupportedOperationException
     */
    @Override
    public void write(String fileName) {
        throw new UnsupportedOperationException();
    }

    /**
     * @throws UnsupportedOperationException
     */
    @Override
    public void delete() {
        throw new UnsupportedOperationException();
    }

    @Override
    public String getHeader(String name) {
        return item.getHeaders().getHeader(name);
    }

    @Override
    public Collection<String> getHeaders(String name) {
        return Lists.newArrayList(item.getHeaders().getHeaders(name));
    }

    @Override
    public Collection<String> getHeaderNames() {
        return Lists.newArrayList(item.getHeaders().getHeaderNames());
    }

}