plugins/org.eclipse.epp.installer.core/src/org/eclipse/epp/installer/core/operations/LinkProductOperation.java

package org.eclipse.epp.installer.core.operations;

import java.io.File;

import org.eclipse.epp.installer.core.InstallOptions;
import org.eclipse.epp.installer.core.eclipse.EclipseInstallation;
import org.eclipse.epp.installer.core.model.InstallOperation;
import org.eclipse.epp.installer.internal.core.operations.CreateLinkOperation;
import org.eclipse.epp.installer.internal.core.operations.ModifyPlatformXMLOperation;


/**
 * Create link files from each previously installed Eclipse based application selected by
 * the user in {@link org.eclipse.epp.installer.core.steps.ChooseEclipseStep} to the
 * newly installed extension/enhancement.
 */
public class LinkProductOperation extends InstallOperation {

	String[] eclipsePathList;
	private String extensionFeature;
	private File pathToExtension;
	private InstallOptions options;
	
	/**
	 * Constructor for LinkProductOperation.
	 * @param options InstallOptions
	 * @param extensionFeature String name of installing extension feature
	 * @param pathToExtension String absolute path to extension
	 */
	public LinkProductOperation(InstallOptions options, String extensionFeature, File pathToExtension) {
		this(options, InstallOptions.pathListToArray(options.getString(InstallOptions.OPTION_ECLIPSE_PATH_LIST)), extensionFeature, pathToExtension);
	}

	/**
	 * Constructor for LinkProductOperation.
	 * @param eclipsePathList String[] list of paths to Eclipse based products
	 * @param extensionFeature String name of installing extension feature
	 * @param pathToExtension String absolute path to extension
	 */
	public LinkProductOperation(InstallOptions options, String[] eclipsePathList, String extensionFeature, File pathToExtension) {
		if (options == null || eclipsePathList == null || extensionFeature == null || pathToExtension == null) {
			throw new IllegalArgumentException();
		}
		this.options = options;
		this.eclipsePathList = eclipsePathList;
		this.extensionFeature = extensionFeature;
		this.pathToExtension = pathToExtension;
	}
	
	protected void prepare() {
		for (int i = 0; i < eclipsePathList.length; i++) {
			File eclipseDir = new File(eclipsePathList[i]);
			add(new CreateLinkOperation(options, eclipseDir, pathToExtension, extensionFeature));
			add(new ModifyPlatformXMLOperation(options, new EclipseInstallation(eclipseDir), pathToExtension, extensionFeature));
		}
	}

	/**
	 * Method toString.
	 * @return String
	 */
	public String toString() {
		return "Registering extension with Eclipse installations...";
	}
}