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The Adobe Experience Manager SDK

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.apache.jackrabbit.oak.plugins.memory;

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;

import org.jetbrains.annotations.NotNull;

/**
 * This {@code Blob} implementations is based on a string.
 */
public class StringBasedBlob extends AbstractBlob {
    private final String value;

    public StringBasedBlob(String value) {
        this.value = value;
    }

    @Override
    public String toString() {
        return value;
    }

    /**
     * This implementation returns the bytes of the UTF-8 encoding
     * of the underlying string.
     */
    @NotNull
    @Override
    public InputStream getNewStream() {
        return new ByteArrayInputStream(value.getBytes(StandardCharsets.UTF_8));
    }

    /**
     * This implementation returns the number of bytes in the UTF-8 encoding
     * of the underlying string.
     */
    @Override
    public long length() {
        return value.getBytes(StandardCharsets.UTF_8).length;
    }
}