Major updates to resolve dependency (#8)

* MavenEbuilder: mavenProject targetversion is not an array.

* MavenVersion: expand regex.

 1. match 3.1.4.GA (org.jboss.logging:jboss-logging)
 2. match 2.0b6 (org.apache-extras.beanshell:bsh)

* MavenCache: artifactId may not be identical to gentoo package.

* MavenCache: give explicit error messages as place holders when
  dependency is missing.

* script/meta.sh: auxiliary script to relate gentoo repo to maven
  repo metadata.

* Specify the default jre version.

* tree.sh: recursively call java-ebuilder.

* meta.sh: use maven to enumerate child modules.

* meta.sh: add more exceptions.

* MavenEbuilder.java: handle SLOT dependency according to ebuild styles.

  If SLOT=0, no SLOT is used in CLASSPATH.

* MavenEbuilder.java: remove JAVA_SRC_DIR.

  Not needed.  The default is enough.
  Because we have one ebuild per child module.

* MavenParser.java: mvn timeout to 10minutes.

  When something cannot be downloaded, maven could use several minutes
  to finish.

* MavenParser.java: let scope default to "compile".

  It is interpreted as common dependencies.  Some poms does not
  specify scopes of their dependencies.

* MavenParser.java: remove maven build instructions.

  They are not used at all.  Parsing them can cause error in some poms.

  The side effect is that testdependencies are not triggered.

* MavenProject.java: remove system dependencies.

  They are deprecated:

    https://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html#System_Dependencies

  They are satisfied by virtual/jdk.

* MavenProject.java: source encoding default to UTF-8.

* PortageParser.java: consider dev-java/ant-* ebuilds.

* MavenParser.java: parse opengl-api version from pom.

2 files changed, 212 insertions, 0 deletions

diff --git a/scripts/meta.sh b/scripts/meta.sh
new file mode 100755
index 0000000..0a142c8
--- /dev/null
+++ b/scripts/meta.sh
@@ -0,0 +1,101 @@
+#!/usr/bin/env bash
+# read in cache from java-ebuilder and find out the groupId,
+# artifactId and version.
+
+# cache is by default at $HOME/.java-ebuilder/cache
+# example:
+# ( echo 1.0; tail -n +2 cache | parallel -j -2 meta.sh; ) > cache.1
+
+pkg=$(awk -F ":" '{print $1"/"$2"-"$3}' <<< $1)
+spkg=$(cut -d: -f2 <<< $1)
+sver=$(cut -d: -f3 <<< $1)
+case ${spkg} in
+    guava) 
+        echo $1:com.google.guava:${spkg}:${sver%%-*}
+        exit 0
+        ;;
+    json)
+        echo $1:org.json:${spkg}:${sver%%-*}
+        exit 0
+        ;;
+    xerces)
+        echo $1:xerces:${spkg}:${sver%%-*}
+        echo $1:xerces:xercesImpl:${sver%%-*}
+        echo $1:xerces:xmlParserAPIs:${sver%%-*}
+        exit 0
+        ;;
+    commons-*|classworlds|jdom)
+        echo $1:${spkg}:${spkg}:${sver%%-*}
+        exit 0
+        ;;
+    velocity)
+        echo $1:org.apache.${spkg}:${spkg}:${sver%%-*}
+        exit 0
+        ;;
+    jtidy)
+        echo $1:net.sf.${spkg}:${spkg}:${sver%%-*}
+        exit 0
+        ;;
+    saxpath)
+        echo $1:${spkg}:${spkg}:${sver%%-*}-FCS # maven version
+        echo $1:org.jdom:${spkg}:${sver%%-*}-FCS
+        exit 0
+        ;;
+    ant*)
+        [[ ${spkg} = ant-core ]] && { spkg=ant; echo $1:ant:${spkg}:${sver%%-*}; }
+        [[ ${spkg} = ant-ivy ]] && spkg=ivy
+        echo $1:org.apache.ant:${spkg}:${sver%%-*}
+        exit 0
+        ;;
+    bcpg|bcprov)
+        echo $1:org.bouncycastle:${spkg}-jdk12:130
+        for jv in 1{4,5,6}; do
+            echo $1:org.bouncycastle:${spkg}-jdk${jv}:${sver%%-*}
+        done
+        exit 0
+        ;;
+    asm)
+        echo $1:org.ow2.asm:${spkg}:${sver%%-*}
+        echo $1:org.ow2.asm:${spkg}-all:${sver%%-*}
+        echo $1:org.ow2.asm:${spkg}-debug-all:${sver%%-*}
+        exit 0
+esac
+
+grep -q ${pkg} <bebd <bpom && exit 0
+
+ebd=$(equery w ${pkg} 2>/dev/null)
+if [[ -z "${ebd}" ]]; then
+    echo $1:${pkg} >> bebd
+    exit 0
+fi
+
+# java-utils-2.eclass:java-pkg_needs-vm()
+export JAVA_PKG_NV_DEPEND="nothing"
+
+if ! ebuild ${ebd} unpack >/dev/null 2>&1; then
+    echo $1:${pkg} >> bebd
+    exit 0
+fi
+
+bad_pom="yes"
+for subd in /dev/shm/portage/${pkg}/work/*; do
+    [[ -f ${subd}/pom.xml ]] || continue
+    bad_pom=""
+    pushd ${subd} > /dev/null
+    poms=$(mvn -q --also-make exec:exec -Dexec.executable="pwd" 2> /dev/null | grep ^/)
+    popd > /dev/null
+    for pd in ${poms}; do
+        ppom=$(xml2 < ${pd}/pom.xml | egrep '(groupId|artifactId|version)=')
+        PG=$(echo "${ppom}" | sed -n -r -e 's,/project/groupId=(.*),\1,p')
+        [[ -z ${PG} ]] && PG=$(echo "${ppom}" | sed -n -r -e 's,/project/parent/groupId=(.*),\1,p')
+        PA=$(echo "${ppom}" | sed -n -r -e 's,/project/artifactId=(.*),\1,p')
+        PV=$(echo "${ppom}" | sed -n -r -e 's,/project/version=(.*),\1,p')
+        [[ -z ${PV} ]] && PV=$(echo "${ppom}" | sed -n -r -e 's,/project/parent/version=(.*),\1,p')
+        echo $1:${PG}:${PA}:${PV/-SNAPSHOT/}
+    done
+done
+if [[ -n "${bad_pom}" ]]; then
+    echo $1:${pkg} >> bpom
+fi
+
+ebuild ${ebd} clean >/dev/null 2>&1
diff --git a/scripts/tree.sh b/scripts/tree.sh
new file mode 100755
index 0000000..5482a0b
--- /dev/null
+++ b/scripts/tree.sh
@@ -0,0 +1,111 @@
+#!/usr/bin/env bash
+# start from the root of a maven artifact and recursively resolve its
+# dependencies.
+
+mkdir -p ../poms
+
+gebd() {
+    case ${MA} in
+        weld-osgi-bundle)
+            # 1.1.0.Final no longer exist
+            [[ ${MV} = 1.1.0.Final ]] && MV=1.1.33.Final
+            ;;
+    esac
+
+    local WORKDIR=${PG//./\/}/${MA} MID
+    local MID=${PG}:${MA}:${MV}
+    # .Final .GA .v20121024 means nothing
+    local PV=${MV%.[a-zA-Z]*} PA SLOT
+
+    case ${MA} in
+        opengl-api)
+            [[ ${MV} = 2.1.1 ]] && MV=gl1.1-android-2.1_r1
+            ;;
+    esac
+
+    # plexus-container-default 1.0-alpha-9-stable-1
+    PV=${PV/-stable-*/}
+    PV=${PV/-alpha-/_alpha}
+    # wagon-provider-api 1.0-beta-7
+    PV=${PV/-beta-/_beta}
+    # aopalliance-repackaged 2.5.0-b16
+    PV=${PV/-b/_beta}
+    # javax.xml.stream:stax-api:1.0-2
+    PV=${PV//-/.}
+
+    local M=${MA}-${MV}
+    local SRC_URI="http://central.maven.org/maven2/${WORKDIR}/${MV}/${M}-sources.jar"
+
+    # spark-launcher_2.11 for scala 2.11
+    eval $(sed -nr 's,([^_]*)(_(.*))?,PA=\1 SLOT=\3,p' <<< ${MA})
+    [[ -z "${SLOT}" ]] && eval $(sed -nr 's,(.*)-(([0-9]+\.)?[0-9]+),PA=\1 SLOT=\2,p' <<< ${MA})
+    [[ -z "${SLOT}" ]] && PA=${MA}
+    PA=${PA//./-}
+    PA=${PA//_/-}
+    local P=${PA}-${PV}
+    local ebd=app-maven/${PA}/${P}.ebuild
+
+    if [[ ! -f ../poms/${M}.pom ]]; then
+        pushd ../poms
+        wget ${SRC_URI/-sources.jar/.pom}
+
+        # 3rd party plugin not needed here
+        # distributionManagement is invalid for maven 3
+        # net.sf.jtidy:jtidy:r938 version is not maven-compliant
+        sed -e '/<packaging>bundle/d' \
+            -e '/<distributionManagement>/,/<\/distributionManagement>/d' \
+            -e '/<build>/,/<\/build>/d' \
+            -e '/<modules>/,/<\/modules>/d' \
+            -e 's,<version>r938</version>,<version>1.0</version>,' \
+            -i ${M}.pom
+        popd
+    fi
+
+    wget -q --spider ${SRC_URI} || SRC_URI=${SRC_URI/-sources.jar/.jar}
+
+    if [[ ! -f app-maven/${PA}/${P}.ebuild ]]; then
+        mkdir -p app-maven/${PA}
+        java-ebuilder -p ../poms/${M}.pom -e ${ebd} -g  --workdir . \
+                      -u ${SRC_URI} --slot ${SLOT:-0} --keywords ~amd64
+
+        # empty parent artifacts
+        # FIXME, this should be removed in poms
+        sed -i '/app-maven\/jsch-agentproxy-[0-9]/d' ${ebd}
+    fi
+
+    line=app-maven:${PA}:${PV}:${SLOT:-0}::${MID}
+    if ! grep -q ${line} ${HOME}/.java-ebuilder/maven-cache ; then
+        pushd ${HOME}/.java-ebuilder > /dev/null
+        echo ${line} >> maven-cache
+        cat cache.{0,1} maven-cache > cache
+        popd > /dev/null
+    fi
+
+    if [[ -z "${MAVEN_NODEP}" ]] && mfill app-maven/${PA}/${P}.ebuild; then
+        java-ebuilder -p ../poms/${M}.pom -e ${ebd} -g  --workdir . \
+                      -u ${SRC_URI} --slot ${SLOT:-0} --keywords ~amd64
+    fi
+
+    [[ ${SRC_URI} = *-sources.jar ]] || sed -i "/inherit/s/java-pkg-simple/java-pkg-binjar/" ${ebd}
+}
+
+mfill() {
+    # recursively fill missing dependencies
+    arts=$(sed -n -r 's,# (test\? )?(.*)-> !!!.*-not-found!!!,\2,p' < $1)
+    if [[ -z "${arts}" ]]; then
+        false # no need to java-ebuilder again
+    else
+        for a in ${arts}; do
+            eval $(awk -F":" '{print "PG="$1, "MA="$2, "MV="$3}' <<< ${a})
+            gebd
+        done
+        return
+    fi
+}
+
+if [[ $1 == *.ebuild ]]; then
+    mfill $1
+else
+    eval $(awk -F":" '{print "PG="$1, "MA="$2, "MV="$3}' <<< $1)
+    gebd
+fi