initial support for Maven Central Distributed Source jars

new CLI switch:
--from-maven-central

Signed-off-by: zongyu <zzy2529420793@gmail.com>

3 files changed, 85 insertions, 4 deletions

diff --git a/src/main/java/org/gentoo/java/ebuilder/Config.java b/src/main/java/org/gentoo/java/ebuilder/Config.java
index c53e7a9..53af30f 100644
--- a/src/main/java/org/gentoo/java/ebuilder/Config.java
+++ b/src/main/java/org/gentoo/java/ebuilder/Config.java
@@ -55,6 +55,10 @@ public class Config {
      */
     private JavaVersion forceMinJavaVersion;
     /**
+     * Whethe the source code is distributed by Maven Central
+     */
+    private boolean fromMavenCentral;
+    /**
      * Whether ebuild should be generated.
      */
     private boolean generateEbuild;
@@ -374,6 +378,24 @@ public class Config {
     }
 
     /**
+     * Getter for {@link #fromMavenCentral}.
+     *
+     * @return {@link #fromMavenCentral}
+     */
+    public boolean isFromMavenCentral() {
+        return fromMavenCentral;
+    }
+
+    /**
+     * Setter for {@link #fromMavenCentral}.
+     *
+     * @param fromMavenCentral {@link #fromMavenCentral}
+     */
+    public void setFromMavenCentral(final boolean fromMavenCentral) {
+        this.fromMavenCentral = fromMavenCentral;
+    }
+
+    /**
      * Getter for {@link #generateEbuild}.
      *
      * @return {@link #generateEbuild}
diff --git a/src/main/java/org/gentoo/java/ebuilder/Main.java b/src/main/java/org/gentoo/java/ebuilder/Main.java
index fa4a85e..0b4eff6 100644
--- a/src/main/java/org/gentoo/java/ebuilder/Main.java
+++ b/src/main/java/org/gentoo/java/ebuilder/Main.java
@@ -239,6 +239,9 @@ public class Main {
                     i++;
                     config.setForceMinJavaVersion(new JavaVersion(args[i]));
                     break;
+		case "--from-maven-central":
+		    config.setFromMavenCentral(true);
+		    break;
                 case "--generate-ebuild":
                 case "-g":
                     config.setGenerateEbuild(true);
diff --git a/src/main/java/org/gentoo/java/ebuilder/maven/MavenEbuilder.java b/src/main/java/org/gentoo/java/ebuilder/maven/MavenEbuilder.java
index f17f860..0387120 100644
--- a/src/main/java/org/gentoo/java/ebuilder/maven/MavenEbuilder.java
+++ b/src/main/java/org/gentoo/java/ebuilder/maven/MavenEbuilder.java
@@ -26,12 +26,12 @@ public class MavenEbuilder {
      * Pattern for retrieval of tarball extension.
      */
     private static final Pattern PATTERN_TARBALL_EXTENSION = Pattern.compile(
-            "^.*((?:\\.tar)\\.\\S+)$");
+            "^.*((?:\\.tar)\\.\\S+|(?:\\.jar))$");
     /**
      * Pattern for checking whether download tarball name matches expected name.
      */
     private static final Pattern PATTERN_TARBALL_NAME
-            = Pattern.compile("^.*/\\$\\{P\\}(?:\\.tar)\\.\\S+$");
+            = Pattern.compile("^.*/\\$\\{P\\}((?:\\.tar)\\.\\S+|(?:\\.jar))$");
 
     /**
      * Generates ebuild from the collected information at the specified path.
@@ -236,6 +236,41 @@ public class MavenEbuilder {
     }
 
     /**
+     * If the tarball name does not match pattern ${P}-test.ext then we will update
+     * it to store the tarball as ${P}-test.ext.
+     *
+     * @param TestSrcUri source test URI
+     *
+     * @return either original source test URI or updated source test URI
+    private String improveTestSrcUri(final String TestSrcUri) {
+        if (PATTERN_TEST_TARBALL_NAME.matcher(TestSrcUri).matches()) {
+            return TestSrcUri;
+        }
+
+        final Matcher matcher = PATTERN_TARBALL_EXTENSION.matcher(TestSrcUri);
+
+        /**
+         * We do not know how to get the extension so we will leave the tarball
+         * name as it is.
+        /
+        if (!matcher.matches()) {
+            return TestSrcUri;
+        }
+
+        return TestSrcUri + " -> " + "${P}-test" + matcher.group(1);
+    }
+     */
+
+    /**
+     * Merges maven project system dependencies of specified type and removed
+     * duplicates.
+     *
+     * @param mavenProjects list of maven projects
+     * @param type          type of dependencies ("common", "compile", "runtime"
+     *                      and "test")
+     *
+     * @return list of merged dependencies
+    /**
      * Merges maven project system dependencies of specified type and removed
      * duplicates.
      *
@@ -702,12 +737,10 @@ public class MavenEbuilder {
             writer.println('"');
         }
 
-        /*
         writer.print("JAVA_SRC_DIR=\"");
         writer.print(replaceWithVars(config.getWorkdir().relativize(
                 mavenProject.getSourceDirectory()).toString(), config));
         writer.println('"');
-	*/
 
         if (mavenProject.getMainClass() != null) {
             writer.print("JAVA_MAIN_CLASS=\"");
@@ -778,6 +811,11 @@ public class MavenEbuilder {
                 writer.println(')');
             }
         }
+
+        if (config.isFromMavenCentral()) {
+            writeMavenUnpack(mavenProject, writer);
+        }
+
     }
 
     /**
@@ -789,4 +827,22 @@ public class MavenEbuilder {
         writer.println();
         writer.println("S=\"${WORKDIR}\"");
     }
+
+    /**
+     * modify src_unpack() if we use Maven distributed source codes.
+     *
+     * @param writer ebuild writer
+     */
+    private void writeMavenUnpack(final MavenProject mavenProject,
+            final PrintWriter writer) {
+        writer.println();
+        writer.println("src_unpack() {");
+        writer.println("\tmkdir -p ${S}/${JAVA_SRC_DIR}");
+        writer.println("\tunzip ${DISTDIR}/${P}.jar -d ${S}/${JAVA_SRC_DIR}");
+        if (mavenProject.hasTests()) {
+            writer.println("\tmkdir -p ${JAVA_TEST_SRC_DIR}");
+            writer.println("\tunzip ${DISTDIR}/${P}-test.jar -d ${S}/${JAVA_TEST_SRC_DIR}");
+        }
+        writer.println("}");
+    }
 }