us.monoid.web.FormData Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of resty Show documentation

Simple Java client to talk to RESTful backends

The newest version!

/**
 * 
 */
package us.monoid.web;

import java.io.IOException;
import java.io.OutputStream;
import java.net.URLConnection;

/**
 * Wrapper for content to be sent as form-data.
 * It adds a specific content-disposition header.
 * Also supports an optional file name;
 * @author beders
 *
 */
public class FormData extends AbstractContent {
	private AbstractContent wrappedContent;
	private String controlName;
	private String fileName;
	
	public FormData(String aControlName, AbstractContent content) {
		controlName = aControlName;
		wrappedContent = content;
		/** if (content instanceof FileContent) { fileName = ...} */
	}
	
	public FormData(String aControlName, String aFileName, AbstractContent content) {
		this(aControlName, content);
		fileName = aFileName;
	}
	
	/* (non-Javadoc)
	 * @see us.monoid.web.AbstractContent#addContent(java.net.URLConnection)
	 */
	@Override
	protected void addContent(URLConnection con) throws IOException {
		throw new IOException("This content must be sent as part of a MultipartContent");
	}

	/* (non-Javadoc)
	 * @see us.monoid.web.AbstractContent#writeContent(java.io.OutputStream)
	 */
	@Override
	public void writeContent(OutputStream os) throws IOException {
		wrappedContent.writeContent(os);
	}

	/* (non-Javadoc)
	 * @see us.monoid.web.AbstractContent#writeHeader(java.io.OutputStream)
	 */
	@Override
	public void writeHeader(OutputStream os) throws IOException {	
		os.write(ascii("Content-Disposition: form-data; name=\"" + enc(controlName)
				 + "\"" +
				((fileName != null) ? "; filename=\"" + enc(fileName) + "\"" : "") + "\r\n")); 
		wrappedContent.writeHeader(os);
	}

	
}