com.swiftmq.tools.dump.Dumpalizer Maven / Gradle / Ivy

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/*
 * Copyright 2019 IIT Software GmbH
 *
 * IIT Software GmbH 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 com.swiftmq.tools.dump;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

public class Dumpalizer {
    public static void dump(DataOutput out, Dumpable dumpable)
            throws IOException {
        out.writeInt(dumpable.getDumpId());
        dumpable.writeContent(out);
    }

    public static Dumpable construct(DataInput in, DumpableFactory factory)
            throws IOException {
        int dumpId = in.readInt();
        Dumpable dumpable = factory.createDumpable(dumpId);
        if (dumpable == null)
            throw new NullPointerException(factory.getClass().getName() + ".createDumpable(" + dumpId + ") returns null");
        dumpable.readContent(in);
        return dumpable;
    }
}