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/*
 * Copyright 2013-2016 the original author or authors.
 *
 * 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 org.cloudfoundry.spring.util.network;

import org.springframework.http.HttpInputMessage;
import org.springframework.http.HttpOutputMessage;
import org.springframework.http.MediaType;
import org.springframework.http.converter.AbstractHttpMessageConverter;
import org.springframework.http.converter.HttpMessageConverter;

/**
 * An implementation of {@link HttpMessageConverter} that can be used as a fallback for all types that do not have a converter.  It does this by always supporting conversion, not supporting
 * deserialization (reading) and writing nothing during serialization.
 */
public final class FallbackHttpMessageConverter extends AbstractHttpMessageConverter {

    @Override
    protected boolean canRead(MediaType mediaType) {
        return false;
    }

    @Override
    protected Object readInternal(Class clazz, HttpInputMessage inputMessage) {
        throw new UnsupportedOperationException();
    }

    @Override
    protected boolean supports(Class clazz) {
        return true;
    }

    @Override
    protected void writeInternal(Object o, HttpOutputMessage outputMessage) {
    }

}