Ant example source code file (bootstrap.sh)

This example Ant source code file (bootstrap.sh) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Ant tags/keywords

ant, classdir, classpath, classpath, distribution, java_home, java_home, javac, javacmd, license, license, tools, tools, you

The bootstrap.sh source code

#!/bin/sh

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.

# OS specific support.  $var _must_ be set to either true or false.
cygwin=false;
darwin=false;
case "`uname`" in
  CYGWIN*) cygwin=true ;;
  Darwin*) darwin=true
           if [ -z "$JAVA_HOME" ] ; then
             JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Home
           fi
           ;;
esac

# For Cygwin, ensure paths are in UNIX format before anything is touched
if $cygwin ; then
  [ -n "$JAVA_HOME" ] &&
    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
  [ -n "$CLASSPATH" ] &&
    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
fi

# You will need to specify JAVA_HOME if compiling with 1.2 or later.

if [ -n "$JAVA_HOME" ] ; then
  if [ -f "$JAVA_HOME/lib/tools.jar" ] ; then
    CLASSPATH=$CLASSPATH:$JAVA_HOME/lib/tools.jar
  fi

  if [ -f "$JAVA_HOME/lib/classes.zip" ] ; then
    CLASSPATH=$CLASSPATH:$JAVA_HOME/lib/classes.zip
  fi
else
  echo "Warning: JAVA_HOME environment variable not set."
  echo "  If build fails because sun.* classes could not be found"
  echo "  you will need to set the JAVA_HOME environment variable"
  echo "  to the installation directory of java."
fi

# IBM's JDK on AIX uses strange locations for the executables:
# JAVA_HOME/jre/sh for java and rmid
# JAVA_HOME/sh for javac and rmic
if [ -z "$JAVAC" ] ; then
  if [ -n "$JAVA_HOME"  ] ; then
    if [ -x "$JAVA_HOME/sh/javac" ] ; then
      JAVAC=${JAVA_HOME}/sh/javac;
    else
      JAVAC=${JAVA_HOME}/bin/javac;
    fi
  else
    JAVAC=javac
  fi
fi
if [ -z "$JAVACMD" ] ; then
  if [ -n "$JAVA_HOME"  ] ; then
    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
      JAVACMD=$JAVA_HOME/jre/sh/java
    else
      JAVACMD=$JAVA_HOME/bin/java
    fi
  else
    JAVACMD=java
  fi
fi

if [ ! -x "$JAVACMD" ] ; then
  echo "Error: JAVA_HOME is not defined correctly."
  echo "  We cannot execute $JAVACMD"
  exit
fi

ANT_HOME=.
export ANT_HOME

echo ... Bootstrapping Ant Distribution

if [ -d "bootstrap" ] ; then
  rm -r bootstrap
fi

if [ -d "build" ] ; then
  rm -r build
fi

CLASSPATH=lib/xercesImpl.jar:lib/xml-apis.jar:${CLASSPATH}

DIRLIBS=lib/optional/*.jar
for i in ${DIRLIBS}
do
    # if the directory is empty, then it will return the input string
    # this is stupid, so case for it
    if [ "$i" != "${DIRLIBS}" ] ; then
        CLASSPATH=$CLASSPATH:"$i"
    fi
done

TOOLS=src/main/org/apache/tools
CLASSDIR=build/classes

CLASSPATH=${CLASSDIR}:src/main:${CLASSPATH}

# For Cygwin, switch to Windows format before running java
if $cygwin; then
  CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
fi

export CLASSPATH

mkdir -p build
mkdir -p ${CLASSDIR}
mkdir -p bin

echo ... Compiling Ant Classes

"${JAVAC}" $BOOTJAVAC_OPTS -d ${CLASSDIR} ${TOOLS}/bzip2/*.java ${TOOLS}/tar/*.java ${TOOLS}/zip/*.java \
    ${TOOLS}/ant/util/regexp/RegexpMatcher.java \
    ${TOOLS}/ant/util/regexp/RegexpMatcherFactory.java \
    ${TOOLS}/ant/types/*.java \
    ${TOOLS}/ant/types/resources/*.java \
    ${TOOLS}/ant/*.java ${TOOLS}/ant/taskdefs/*.java \
    ${TOOLS}/ant/taskdefs/compilers/*.java \
    ${TOOLS}/ant/taskdefs/condition/*.java
ret=$?
if [ $ret != 0 ]; then
  echo ... Failed compiling Ant classes !
  exit $ret
fi

echo ... Copying Required Files

cp src/main/org/apache/tools/ant/taskdefs/defaults.properties \
    ${CLASSDIR}/org/apache/tools/ant/taskdefs
cp src/main/org/apache/tools/ant/types/defaults.properties \
    ${CLASSDIR}/org/apache/tools/ant/types
cp src/script/antRun bin
chmod +x bin/antRun

echo ... Building Ant Distribution

"${JAVACMD}" -classpath "${CLASSPATH}" -Dant.home=. $ANT_OPTS org.apache.tools.ant.Main -emacs "$@" bootstrap
ret=$?
if [ $ret != 0 ]; then
  echo ... Failed Building Ant Distribution !
  exit $ret
fi


echo ... Cleaning Up Build Directories

rm -rf ${CLASSDIR}
rm -rf bin

echo ... Done Bootstrapping Ant Distribution