org.osaf.caldav4j.util.UrlUtils.java Source code

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Here is the source code for org.osaf.caldav4j.util.UrlUtils.java

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/*
 * Copyright 2007 Open Source Applications Foundation
 * 
 * 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 org.osaf.caldav4j.util;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;

import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HttpMethod;

public class UrlUtils {
    public static String stripHost(String href) {
        if (!href.startsWith("http")) {
            return href;
        }
        int indexOfColon = href.indexOf(":");
        int index = href.indexOf("/", indexOfColon + 3);
        return href.substring(index);
    }

    public static String removeDoubleSlashes(String s) {
        return s.replaceAll("([^:])/{2,}", "$1/");
    }

    public static String getHeaderPrettyValue(HttpMethod method, String headerName) {
        if (method != null && headerName != null) {
            Header header = method.getResponseHeader(headerName);
            if (header != null) {
                return header.getValue();
            }
        }

        return null;
    }

    public static String parseISToString(InputStream is) {
        StringBuffer sb = new StringBuffer();
        try {
            BufferedReader din = new BufferedReader(new InputStreamReader(is));

            String line = null;
            while ((line = din.readLine()) != null) {
                sb.append(line + "\n");
            }
        } catch (Exception ex) {
            ex.getMessage();
        } finally {
            try {
                is.close();
            } catch (Exception ex) {
            }
        }
        return sb.toString();
    }

}