com.google.gerrit.common.RawInputUtil.java Source code

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Here is the source code for com.google.gerrit.common.RawInputUtil.java

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// Copyright (C) 2016 The Android Open Source Project
//
// 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 com.google.gerrit.common;

import static java.nio.charset.StandardCharsets.UTF_8;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.base.Preconditions;
import com.google.gerrit.extensions.restapi.RawInput;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.servlet.http.HttpServletRequest;

@GwtIncompatible("Unemulated classes in java.io and javax.servlet")
public class RawInputUtil {
    public static RawInput create(String content) {
        return create(content.getBytes(UTF_8));
    }

    public static RawInput create(final byte[] bytes, final String contentType) {
        Preconditions.checkNotNull(bytes);
        Preconditions.checkArgument(bytes.length > 0);
        return new RawInput() {
            @Override
            public InputStream getInputStream() throws IOException {
                return new ByteArrayInputStream(bytes);
            }

            @Override
            public String getContentType() {
                return contentType;
            }

            @Override
            public long getContentLength() {
                return bytes.length;
            }
        };
    }

    public static RawInput create(final byte[] bytes) {
        return create(bytes, "application/octet-stream");
    }

    public static RawInput create(final HttpServletRequest req) {
        return new RawInput() {
            @Override
            public String getContentType() {
                return req.getContentType();
            }

            @Override
            public long getContentLength() {
                return req.getContentLength();
            }

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