ContextPath.java

/**
 * Licensed to the Austrian Association for Software Tool Integration (AASTI)
 * under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright
 * ownership. The AASTI licenses this file to you 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.
 */

package org.openengsb.core.api.context;

public class ContextPath {

    private final String path;
    private final String[] elements;

    public ContextPath(String path) {
        this.path = normalizePath(path);
        if (this.path.isEmpty()) {
            this.elements = new String[0];
        } else {
            this.elements = this.path.split("/", -1);
        }
    }

    private String normalizePath(String path) {
        path = path.trim();
        path = path.replaceAll("/+", "/");

        if (path.length() > 0 && path.charAt(0) == '/') {
            path = path.substring(1);
        }

        if (path.length() > 0 && path.charAt(path.length() - 1) == '/') {
            path = path.substring(0, path.length() - 1);
        }

        return path;
    }

    public String getPath() {
        return path;
    }

    public String[] getElements() {
        return elements;
    }

    public boolean isRoot() {
        return path.isEmpty();
    }

    @Override
    public String toString() {
        return String.format("[ContextPath, path=%s]", path);
    }
}