com.blade.web.http.Path Maven / Gradle / Ivy

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/**
 * Copyright (c) 2015, biezhi 王爵 ([email protected])
 *
 * 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.
 */
package com.blade.web.http;

import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.List;

import blade.kit.CollectionKit;
import blade.kit.StringKit;

/**
 * Path URL
 *
 * @author	biezhi
 * @since	1.0
 */
public final class Path {

	public static final String VAR_REGEXP = ":(\\w+)";
	public static final String VAR_REPLACE = "([^#/?]+)";
	
	public static final String ALL_PATHS = "/*";
    private static final String SLASH = "/";
    
    public static String getRelativePath(String path, String contextPath) {
    	
        path = path.substring(contextPath.length());

        if (path.length() > 0) {
            path = path.substring(1);
        }
        
        if (!path.startsWith(SLASH)) {
            path = SLASH + path;
        }

        try {
            path = URLDecoder.decode(path, "UTF-8");
        } catch (UnsupportedEncodingException ex) {
        }
        return path;
    }

    public static List convertRouteToList(String route) {
        String[] pathArray = StringKit.split(route, "/");
        if(null != pathArray && pathArray.length > 0){
        	List path = CollectionKit.newArrayList();
            for (String p : pathArray) {
                if (p.length() > 0) {
                    path.add(p);
                }
            }
            return path;
        }
        return CollectionKit.newArrayList(0);
    }
    
    public static boolean isParam(String routePart) {
        return routePart.startsWith(":");
    }

    public static boolean isSplat(String routePart) {
        return routePart.equals("*");
    }
    
	public static String fixPath(String path) {
		if (path == null) {
			return "/";
		}
		if (!path.startsWith("/")) {
			path = "/" + path;
		}
		if (path.length() > 1 && path.endsWith("/")) {
			path = path.substring(0, path.length() - 1);
		}
		return path;
	}

	public static String cleanPath(String path){
		if (path == null) {
			return null;
		}
		return path.replaceAll("[/]+", "/");
	}
	
}