SelectedLaunchConfigurationBundleParser.java

package org.ant4eclipse.lib.pde.model.launcher;

/**
 * @author nils
 * 
 */
public class SelectedLaunchConfigurationBundleParser {

  /**
   * Parses a String with a selected bundle (i.e. <code>com.springsource.javassist*3.3.0.ga@11:default</code>)
   * 
   * @param bundleInfo
   * @return
   */
  public SelectedLaunchConfigurationBundle parseLaunchConfigurationBundleInfo(String bundleInfo) {

    final int i = bundleInfo.indexOf('@');
    if (i == -1) {
      // not sure if this will ever happen
      return new SelectedLaunchConfigurationBundle(bundleInfo, null, "default", "default");
    }

    String version = null;
    String bundleSymbolicName = null;
    String startLevel = "default";
    String autoStart = "default";

    // Parse the name and (optionally) the version
    final String nameAndVersion = bundleInfo.substring(0, i);
    int j = nameAndVersion.indexOf('*');
    if (j == -1) {
      bundleSymbolicName = nameAndVersion;
    } else {
      bundleSymbolicName = nameAndVersion.substring(0, j);
      version = nameAndVersion.substring(j + 1);
    }

    // Parse startLevel and autoStart parameter
    if (i < bundleInfo.length() - 1) {
      final String startLevelAndAutoStart = bundleInfo.substring(i + 1);

      int k = startLevelAndAutoStart.indexOf(':');
      if (k == -1) {
        startLevel = startLevelAndAutoStart;
      } else {
        startLevel = startLevelAndAutoStart.substring(0, k);
        autoStart = startLevelAndAutoStart.substring(k + 1);
      }
    }

    // Return the a SelectedLaunchConfigurationBundle with the parsed information
    return new SelectedLaunchConfigurationBundle(bundleSymbolicName, version, startLevel, autoStart);

  }

}