io.pivotal.cla.mvc.util.UrlBuilder.java Source code

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Here is the source code for io.pivotal.cla.mvc.util.UrlBuilder.java

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/*
 * Copyright 2002-2016 the original author or authors.
 *
 * 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 io.pivotal.cla.mvc.util;

import java.net.URLEncoder;

import javax.servlet.http.HttpServletRequest;

import org.springframework.http.server.ServletServerHttpRequest;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.util.UriComponentsBuilder;

import lombok.Builder;
import lombok.SneakyThrows;

/**
 * @author Rob Winch
 */
public class UrlBuilder {

    final HttpServletRequest request;

    String path;

    MultiValueMap<String, String> params = new LinkedMultiValueMap<>();

    private UrlBuilder(HttpServletRequest request) {
        super();
        this.request = request;
    }

    public String callbackUrl() {
        return path("/login/oauth2/github").build();
    }

    public UrlBuilder param(String name, String value) {
        this.params.add(name, value);
        return this;
    }

    public UrlBuilder path(String path) {
        this.path = path;
        return this;
    }

    @Builder(builderMethodName = "signUrl")
    @SneakyThrows
    private static String createSignUrl(HttpServletRequest request, String claName, String repositoryId,
            int pullRequestId) {
        String urlEncodedClaName = URLEncoder.encode(claName, "UTF-8");
        UrlBuilder url = UrlBuilder //
                .fromRequest(request) //
                .path("/sign/" + urlEncodedClaName) //
                .param("repositoryId", repositoryId) //
                .param("pullRequestId", String.valueOf(pullRequestId));
        return url.build();
    }

    @SneakyThrows
    public static String createSyncUrl(HttpServletRequest request, String claName, String repositoryId,
            int pullRequestId) {
        String urlEncodedClaName = URLEncoder.encode(claName, "UTF-8");
        UrlBuilder url = UrlBuilder //
                .fromRequest(request) //
                .path("/sync/" + urlEncodedClaName) //
                .param("repositoryId", repositoryId) //
                .param("pullRequestId", String.valueOf(pullRequestId));
        return url.build();
    }

    @SneakyThrows
    public static String createAboutUrl(HttpServletRequest request) {
        UrlBuilder url = UrlBuilder //
                .fromRequest(request)//
                .path("/about");//
        return url.build();
    }

    public String build() {
        String url = UriComponentsBuilder //
                .fromHttpRequest(new ServletServerHttpRequest(request))//
                .replacePath(path) //
                .replaceQueryParams(params) //
                .build() //
                .toUriString(); //

        this.path = null;
        this.params.clear();
        if (url.contains("ngrok.io")) {
            url = url.replaceFirst(":80", "");
            url = url.replaceFirst("http:", "https:");
        }
        return url;
    }

    public static UrlBuilder fromRequest(HttpServletRequest request) {
        return new UrlBuilder(request);
    }

    @SneakyThrows
    public static String pullRequestHookCallbackPath(String claName) {
        String urlEncodedClaName = URLEncoder.encode(claName, "UTF-8");
        return String.format("%s/%s", "/github/hooks/pull_request", urlEncodedClaName);
    }
}