provides a simple interface for assembling GET URLs : URL « Network « Java Tutorial

1. Java Tutorial
2. Network
3. URL

public class URLBuilder {
  private StringBuffer mBuffer;

  private boolean mHasParameters;

  public URLBuilder(String base) {
    mBuffer = new StringBuffer(base);
    mHasParameters = false;
  }

  public void addParameter(String name, String value) {
    if (mHasParameters == false) {
      mBuffer.append('?');
      mHasParameters = true;
    } else
      mBuffer.append('&');
    mBuffer.append(name);
    mBuffer.append('=');
    mBuffer.append(value);
  }

  public String toString() {
    return mBuffer.toString();
  }
}