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Camel Mail support

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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.camel.component.mail;

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

import jakarta.activation.DataSource;

import org.apache.camel.util.ObjectHelper;
import org.apache.camel.util.StringHelper;

final class DelegatingDataSource implements DataSource {

    private final DataSource delegate;

    private final String name;

    public DelegatingDataSource(final String name, final DataSource delegate) {
        this.name = StringHelper.notEmpty(name, "name");
        this.delegate = ObjectHelper.notNull(delegate, "DataSource");
    }

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

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

    @Override
    public String getName() {
        return name;
    }

    @Override
    public OutputStream getOutputStream() throws IOException {
        return delegate.getOutputStream();
    }

}