plugins/org.eclipse.epp.installer.core/src/org/eclipse/epp/installer/core/steps/SelectInstallTypeStep.java

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

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.epp.installer.core.InstallType;
import org.eclipse.epp.installer.core.Variables;
import org.eclipse.epp.installer.core.model.Context;
import org.eclipse.epp.installer.core.model.InstallStep;
import org.eclipse.epp.installer.core.model.Installer;


/**
 * <p>
 * Copyright (c) 2006, Instantiations, Inc.<br>
 * All Rights Reserved
 */
public class SelectInstallTypeStep extends InstallStep {

	private List types;
	private String optionName;
	
	public SelectInstallTypeStep(Installer installer) {
		super(installer);
		types = new ArrayList();
	}

	public void addInstallTypes(Collection types) {
		types.addAll(types);
	}

	public void addInstallType(InstallType type) {
		types.add(type);		
	}
	
	public Collection getInstallTypes() {
		return types;
	}

	public String getOptionName() {
		return Variables.resolve(optionName, getOptions());
	}

	public void setOptionName(String optionName) {
		this.optionName = optionName;
	}
	
	public void updateOption(InstallType entity) {
		if (entity != null) {
			getOptions().set(getOptionName(), entity.getName());
		}
	}
	
	public void aboutToStep() {
		super.aboutToStep();
		
		// init selected install type
		if (types != null && types.size() > 0) {
			updateOption( (InstallType) types.get(0) );
		}
	}
	
	public IStatus verifyStep() {
		return validateProductString(getOptions().getString(
				getOptionName()));
	}
	
	public static IStatus validateProductString(String productString) {
		if (productString == null || productString.length() == 0)
			return new Status(IStatus.ERROR, Context.PLUGIN_ID, 0,
					"Empty IntallType string", null);
		return Status.OK_STATUS;
	}
	
}