org.jclouds.io.InputSuppliers.java Source code

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Here is the source code for org.jclouds.io.InputSuppliers.java

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/**
 * Licensed to jclouds, Inc. (jclouds) under one or more
 * contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  jclouds 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
 *
 * 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 org.jclouds.io;

import static com.google.common.base.Preconditions.checkNotNull;

import java.io.IOException;
import java.io.InputStream;

import com.google.common.annotations.Beta;
import com.google.common.base.Charsets;
import com.google.common.io.ByteStreams;
import com.google.common.io.InputSupplier;

/**
 * functions related to or replacing those in {@link com.google.common.io.InputSupplier}
 * 
 * @author Adrian Cole
 */
@Beta
public class InputSuppliers {

    public static InputSupplier<? extends InputStream> of(final InputStream in) {
        checkNotNull(in, "in");
        return new InputSupplier<InputStream>() {

            @Override
            public InputStream getInput() throws IOException {
                return in;
            }

        };
    }

    public static InputSupplier<? extends InputStream> of(String in) {
        byte[] bytes = checkNotNull(in, "in").getBytes(Charsets.UTF_8);
        return ByteStreams.newInputStreamSupplier(bytes);
    }
}