Initial commit - first working version, needs clean-up

.gitignore

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+target/
+local/
+work/
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+.idea/
+*.iml

pom.xml

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+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.jenkins-ci.plugins</groupId>
+    <artifactId>plugin</artifactId>
+    <version>1.609.3</version><!-- which version of Jenkins is this plugin built against? -->
+  </parent>
+
+  <groupId>org.kie.jenkins-ci.plugins</groupId>
+  <artifactId>kie-pr-builds-helper</artifactId>
+  <version>0.1-SNAPSHOT</version>
+  <packaging>hpi</packaging>
+
+  <!-- get every artifact through repo.jenkins-ci.org, which proxies all the artifacts that we need -->
+  <repositories>
+    <repository>
+      <id>repo.jenkins-ci.org</id>
+      <url>http://repo.jenkins-ci.org/public/</url>
+    </repository>
+  </repositories>
+
+  <pluginRepositories>
+    <pluginRepository>
+      <id>repo.jenkins-ci.org</id>
+      <url>http://repo.jenkins-ci.org/public/</url>
+    </pluginRepository>
+  </pluginRepositories>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.jenkins-ci.plugins</groupId>
+      <artifactId>git-client</artifactId>
+      <version>1.19.0</version>
+    </dependency>
+    <!--<dependency>-->
+      <!--<groupId>org.jenkins-ci.main</groupId>-->
+      <!--<artifactId>maven-plugin</artifactId>-->
+      <!--<version>2.12.1</version>-->
+    <!--</dependency>-->
+    <dependency>
+      <groupId>org.kohsuke</groupId>
+      <artifactId>github-api</artifactId>
+      <version>1.69</version>
+    </dependency>
+
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.12</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+</project>

src/main/java/org/kie/jenkinsci/plugins/kieprbuildshelper/GitHubPRSummary.java

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+/*
+ * Copyright 2015 JBoss by Red Hat
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ *
+ *      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.kie.jenkinsci.plugins.kieprbuildshelper;
+
+import org.kohsuke.github.GHPullRequest;
+import org.kohsuke.github.GitHub;
+
+import java.io.IOException;
+
+public class GitHubPRSummary {
+
+    private final String targetRepo;
+    private final String targetRepoOwner;
+    private final int id;
+    private final String sourceBranch;
+    private final String sourceRepoOwner;
+
+    public GitHubPRSummary(String targetRepo, String targetRepoOwner, int id, String sourceBranch, String sourceRepoOwner) {
+        this.targetRepo = targetRepo;
+        this.targetRepoOwner = targetRepoOwner;
+        this.id = id;
+        this.sourceBranch = sourceBranch;
+        this.sourceRepoOwner = sourceRepoOwner;
+    }
+
+    public String getTargetRepo() {
+        return targetRepo;
+    }
+
+    public String getTargetRepoOwner() {
+        return targetRepoOwner;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public String getSourceBranch() {
+        return sourceBranch;
+    }
+
+    public String getSourceRepoOwner() {
+        return sourceRepoOwner;
+    }
+
+    /**
+     * Creates a PR summary from provided link, getting some of the info directly from Github.
+     *
+     * @param prLink pull request link, e.g. https://github.com/droolsjbpm/drools-wb/pull/77
+     * @param github configured Github instance used to talk to Github REST API
+     *
+     * @return summary info about GitHub PR as needed by {@link UpstreamReposBuilder}
+     */
+    public static GitHubPRSummary fromPRLink(String prLink, String sourceBranch, GitHub github) {
+        String str = preProcessPRLink(prLink);
+        String[] parts = str.split("/");
+        String targetRepoOwner = parts[0];
+        String targetRepo = parts[1];
+        // parts[2] == "pull", not needed
+        int id = Integer.parseInt(parts[3]);
+        GHPullRequest pr = null;
+        try {
+            pr = github.getRepository(targetRepoOwner + "/" + targetRepo).getPullRequest(id);
+            String sourceRepoOwner = pr.getHead().getRepository().getOwner().getLogin();
+            return new GitHubPRSummary(
+                    targetRepo,
+                    targetRepoOwner,
+                    id,
+                    sourceBranch,
+                    sourceRepoOwner
+            );
+        } catch (IOException e) {
+            throw new RuntimeException("Error when getting info about PR " + prLink, e);
+        }
+    }
+
+    /**
+     * Pre-processes the PR link, removing the unnecessary parts like "github.com" and trailing slash.
+     *
+     * @param prLink the full PR link
+     *
+     * @return part of the PR link that contains the important info (repo owner, repo name and PR ID)
+     */
+    private static String preProcessPRLink(String prLink) {
+        int ghComIdx = prLink.indexOf("github.com");
+        if (ghComIdx < 0) {
+            throw new IllegalArgumentException("Provided Github PR link '" + prLink + "' is not valid, as it does not contain the string github.com!");
+        }
+        String noGhComPrInfo = prLink.substring(ghComIdx + "github.com/".length());
+        // now the string contains "<repoOwner>/<repoName>/pull/<pullId>"
+        if (noGhComPrInfo.endsWith("/")) {
+            return noGhComPrInfo.substring(0, noGhComPrInfo.length() - 1);
+        } else {
+            return noGhComPrInfo;
+        }
+    }
+
+}

src/main/java/org/kie/jenkinsci/plugins/kieprbuildshelper/GitHubRepository.java

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+/*
+ * Copyright 2015 JBoss by Red Hat
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ *
+ *      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.kie.jenkinsci.plugins.kieprbuildshelper;
+
+public class GitHubRepository {
+    private final String owner;
+    private final String name;
+
+    public GitHubRepository(String owner, String name) {
+        this.owner = owner;
+        this.name = name;
+    }
+
+    public String getOwner() {
+        return owner;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getReadOnlyCloneURL() {
+        return "git://github.com/" + owner + "/" + name;
+    }
+
+    @Override
+    public String toString() {
+        return "GitHubRepository{" +
+                "owner='" + owner + '\'' +
+                ", name='" + name + '\'' +
+                '}';
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        GitHubRepository that = (GitHubRepository) o;
+
+        if (owner != null ? !owner.equals(that.owner) : that.owner != null) return false;
+        return !(name != null ? !name.equals(that.name) : that.name != null);
+
+    }
+
+    @Override
+    public int hashCode() {
+        int result = owner != null ? owner.hashCode() : 0;
+        result = 31 * result + (name != null ? name.hashCode() : 0);
+        return result;
+    }
+
+}

src/main/java/org/kie/jenkinsci/plugins/kieprbuildshelper/GitHubRepositoryList.java

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+/*
+ * Copyright 2015 JBoss by Red Hat
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ *
+ *      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.kie.jenkinsci.plugins.kieprbuildshelper;
+
+import org.apache.commons.io.IOUtils;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.List;
+
+public class GitHubRepositoryList {
+    public static String KIE_REPO_LIST_MASTER_RESOURCE_PATH = "/repository-list-master.txt";
+    public static String KIE_REPO_LIST_6_3_X_RESOURCE_PATH = "/repository-list-6.3.x.txt";
+    public static String KIE_REPO_LIST_6_2_X_RESOURCE_PATH = "/repository-list-6.2.x.txt";
+
+    private final List<GitHubRepository> list;
+
+    public static GitHubRepositoryList fromClasspathResource(String resourcePath) {
+        InputStream is = GitHubRepositoryList.class.getResourceAsStream(resourcePath);
+        if (is == null) {
+            throw new IllegalArgumentException("Specified classpath resource '" + resourcePath + "' does not exist!");
+        }
+        List<String> lines;
+        try {
+            lines = IOUtils.readLines(is);
+        } catch (IOException e) {
+            throw new RuntimeException("Error while reading data from classpath resource '" + resourcePath + "'!", e);
+        }
+        List<GitHubRepository> repoList = new ArrayList<GitHubRepository>();
+        for (String line : lines) {
+            String[] parts = line.split("/");
+            repoList.add(new GitHubRepository(parts[0], parts[1]));
+        }
+        return new GitHubRepositoryList(repoList);
+    }
+
+    public GitHubRepositoryList(List<GitHubRepository> list) {
+        this.list = list;
+    }
+
+    public List<GitHubRepository> getList() {
+        return list;
+    }
+
+    public int size() {
+        return list.size();
+    }
+}