/*
 * Copyright Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags and
 * the COPYRIGHT.txt file distributed with this work.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * Modified by
 * @author  Data Virtuality GmbH
 * @date    $Date$
 *
 */

package org.teiid.util;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;

import org.teiid.core.TeiidRuntimeException;
import org.teiid.core.util.Assertion;

/**
 * Class for creating fully qualified names
 */
public class FullyQualifiedName {

	public static final String SEPARATOR = "/"; //$NON-NLS-1$

	private StringBuilder builder = new StringBuilder();

	public FullyQualifiedName() {

	}

	public FullyQualifiedName(String name, String value) {
		super();
		append(name, value);
	}

	public FullyQualifiedName append(String name, String value) {
		Assertion.isNotNull(name);
		Assertion.isNotNull(value);
		if (builder.length() > 0) {
			builder.append(SEPARATOR);
		}
		try {
			builder.append(URLEncoder.encode(name, "UTF-8")).append("=").append(URLEncoder.encode(value, "UTF-8")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
		} catch (UnsupportedEncodingException e) {
			throw new TeiidRuntimeException(e);
		}
		return this;
	}

	@Override
	public String toString() {
		return builder.toString();
	}

}
