org.apache.http.impl.entity.EntityDeserializer.java Source code

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Here is the source code for org.apache.http.impl.entity.EntityDeserializer.java

Source

package org.apache.http.impl.entity;

import java.io.IOException;
import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.HttpException;
import org.apache.http.HttpMessage;
import org.apache.http.annotation.Immutable;
import org.apache.http.entity.BasicHttpEntity;
import org.apache.http.entity.ContentLengthStrategy;
import org.apache.http.impl.io.ChunkedInputStream;
import org.apache.http.impl.io.ContentLengthInputStream;
import org.apache.http.impl.io.IdentityInputStream;
import org.apache.http.io.SessionInputBuffer;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.Args;

@Immutable
@Deprecated
public class EntityDeserializer {
    private final ContentLengthStrategy lenStrategy;

    public EntityDeserializer(ContentLengthStrategy contentLengthStrategy) {
        this.lenStrategy = (ContentLengthStrategy) Args.notNull(contentLengthStrategy, "Content length strategy");
    }

    protected BasicHttpEntity doDeserialize(SessionInputBuffer sessionInputBuffer, HttpMessage httpMessage)
            throws HttpException, IOException {
        BasicHttpEntity basicHttpEntity = new BasicHttpEntity();
        long determineLength = this.lenStrategy.determineLength(httpMessage);
        if (determineLength == -2) {
            basicHttpEntity.setChunked(true);
            basicHttpEntity.setContentLength(-1);
            basicHttpEntity.setContent(new ChunkedInputStream(sessionInputBuffer));
        } else if (determineLength == -1) {
            basicHttpEntity.setChunked(false);
            basicHttpEntity.setContentLength(-1);
            basicHttpEntity.setContent(new IdentityInputStream(sessionInputBuffer));
        } else {
            basicHttpEntity.setChunked(false);
            basicHttpEntity.setContentLength(determineLength);
            basicHttpEntity.setContent(new ContentLengthInputStream(sessionInputBuffer, determineLength));
        }
        Header firstHeader = httpMessage.getFirstHeader(HTTP.CONTENT_TYPE);
        if (firstHeader != null) {
            basicHttpEntity.setContentType(firstHeader);
        }
        firstHeader = httpMessage.getFirstHeader(HTTP.CONTENT_ENCODING);
        if (firstHeader != null) {
            basicHttpEntity.setContentEncoding(firstHeader);
        }
        return basicHttpEntity;
    }

    public HttpEntity deserialize(SessionInputBuffer sessionInputBuffer, HttpMessage httpMessage)
            throws HttpException, IOException {
        Args.notNull(sessionInputBuffer, "Session input buffer");
        Args.notNull(httpMessage, "HTTP message");
        return doDeserialize(sessionInputBuffer, httpMessage);
    }
}