Basic Java build environment.

Makefile.am

@@ -31,6 +31,9 @@ endif
 if HAVE_RUBY
 SUBDIRS += ruby
 endif
+if HAVE_JAVA
+SUBDIRS += java
+endif
 
 EXTRA_DIST = \
 	make-initramfs.sh update-initramfs.sh \

README

@@ -52,6 +52,9 @@ also to build the OCaml bindings
 
 - (Optional) Ruby, rake if you want to build the ruby bindings
 
+- (Optional) Java, JNI, jpackage-utils if you want to build the java
+bindings
+
 Running ./configure will check you have all the requirements installed
 on your machine.
 

configure.ac

@@ -197,7 +197,113 @@ LIBS="$old_libs"
 AC_CHECK_PROG([RAKE],[rake],[rake],[no])
 
 AM_CONDITIONAL([HAVE_RUBY],
-    [test "x$RAKE" != "xno" -a -n "x$HAVE_LIBRUBY"])
+    [test "x$RAKE" != "xno" -a -n "$HAVE_LIBRUBY"])
+
+dnl Check for Java.
+AC_ARG_WITH(java_home,
+    [AS_HELP_STRING([--with-java-home],
+        [specify path to JDK directory @<:@default=check@:>@])],
+    [],
+    [with_java_home=check])
+
+if test "x$with_java_home" != "xno"; then
+    if test "x$with_java_home" != "xyes" -a "x$with_java_home" != "xcheck"
+    then
+        if test -d "$with_java_home"; then
+	    JAVA_HOME="$with_java_home"
+	else
+            AC_MSG_FAILURE([$with_java_home is not a directory])
+	fi
+    fi
+    if test "x$JAVA_HOME" = "x"; then
+        JAVA_HOME=/usr/lib/jvm/java
+    fi
+    AC_MSG_CHECKING(for JDK in $JAVA_HOME)
+    if test ! -x "$JAVA_HOME/bin/java"; then
+        AC_MSG_ERROR([missing $JAVA_HOME/bin/java binary])
+    else
+        JAVA="$JAVA_HOME/bin/java"
+    fi
+    if test ! -x "$JAVA_HOME/bin/javac"; then
+        AC_MSG_ERROR([missing $JAVA_HOME/bin/javac binary])
+    else
+        JAVAC="$JAVA_HOME/bin/javac"
+    fi
+    if test ! -x "$JAVA_HOME/bin/javah"; then
+        AC_MSG_ERROR([missing $JAVA_HOME/bin/javah binary])
+    else
+        JAVAH="$JAVA_HOME/bin/javah"
+    fi
+    if test ! -x "$JAVA_HOME/bin/javadoc"; then
+        AC_MSG_ERROR([missing $JAVA_HOME/bin/javadoc binary])
+    else
+        JAVADOC="$JAVA_HOME/bin/javadoc"
+    fi
+    if test ! -x "$JAVA_HOME/bin/jar"; then
+        AC_MSG_ERROR([missing $JAVA_HOME/bin/jar binary])
+    else
+        JAR="$JAVA_HOME/bin/jar"
+    fi
+    java_version=`$JAVA -version 2>&1 | grep "java version"`
+    AC_MSG_RESULT(found $java_version in $JAVA_HOME)
+
+    dnl Find jni.h.
+    AC_MSG_CHECKING([for jni.h])
+    if test -f "$JAVA_HOME/include/jni.h"; then
+        JNI_CFLAGS="-I$JAVA_HOME/include"
+    else
+    if test "`find $JAVA_HOME -name jni.h`" != ""; then
+        head=`find $JAVA_HOME -name jni.h | tail -1`
+	dir=`dirname $head`
+	JNI_CFLAGS="-I$dir"
+    else
+	AC_MSG_FAILURE([missing jni.h header file])
+    fi
+    fi
+    AC_MSG_RESULT([$JNI_CFLAGS])
+
+    dnl Find jni_md.h.
+    AC_MSG_CHECKING([for jni_md.h])
+    case "$build_os" in
+    *linux*) system="linux" ;;
+    *SunOS*) system="solaris" ;;
+    *cygwin*) system="win32" ;;
+    *) system="$build_os" ;;
+    esac
+    if test -f "$JAVA_HOME/include/$system/jni_md.h"; then
+        JNI_CFLAGS="$JNI_CFLAGS -I$JAVA_HOME/include/$system"
+    else
+    if test "`find $JAVA_HOME -name jni_md.h`" != ""; then
+        head=`find $JAVA_HOME -name jni_md.h | tail -1`
+	dir=`dirname $head`
+	JNI_CFLAGS="$JNI_CFLAGS -I$dir"
+    else
+	AC_MSG_FAILURE([missing jni_md.h header file])
+    fi
+    fi
+    AC_MSG_RESULT([$JNI_CFLAGS])
+
+    dnl Need extra version flag?
+    AC_MSG_CHECKING([extra javac flags])
+    JAVAC_FLAGS=
+    javac_version=`$JAVAC -version 2>&1`
+    case "$javac_version" in
+    *Eclipse*)
+	JAVAC_FLAGS="-source 1.5" ;;
+    esac
+    AC_MSG_RESULT([$JAVAC_FLAGS])
+fi
+
+AC_SUBST(JAVA_HOME)
+AC_SUBST(JAVA)
+AC_SUBST(JAVAC)
+AC_SUBST(JAVAH)
+AC_SUBST(JAVADOC)
+AC_SUBST(JAR)
+AC_SUBST(JNI_CFLAGS)
+AC_SUBST(JAVAC_FLAGS)
+
+AM_CONDITIONAL([HAVE_JAVA],[test -n "$JAVAC"])
 
 dnl Run in subdirs.
 AC_CONFIG_SUBDIRS([daemon])
@@ -210,6 +316,7 @@ AC_CONFIG_FILES([Makefile src/Makefile fish/Makefile examples/Makefile
 		 perl/Makefile
 		 python/Makefile
 		 ruby/Makefile ruby/Rakefile
+		 java/Makefile
 	         make-initramfs.sh update-initramfs.sh
 		 libguestfs.spec
 		 ocaml/META perl/Makefile.PL])

java/Makefile.am

@@ -0,0 +1,25 @@
+# libguestfs Java bindings
+# Copyright (C) 2009 Red Hat Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+EXTRA_DIST =
+
+CLEANFILES = *~
+
+if HAVE_JAVA
+
+
+endif

libguestfs.spec.in

@@ -44,6 +44,9 @@ BuildRequires: perl-ExtUtils-MakeMaker
 BuildRequires: python-devel
 BuildRequires: ruby-devel
 BuildRequires: rubygem-rake
+BuildRequires: java >= 1.5.0
+BuildRequires: jpackage-utils
+BuildRequires: java-devel
 
 # Runtime requires:
 Requires:    qemu >= 0.10-7
@@ -81,6 +84,8 @@ For Python bindings, see 'python-libguestfs'.
 
 For Ruby bindings, see 'ruby-libguestfs'.
 
+For Java bindings, see 'libguestfs-java-devel'.
+
 
 %package devel
 Summary:     Development tools and libraries for %{name}
@@ -168,6 +173,44 @@ Provides:    ruby(guestfs) = %{version}
 ruby-%{name} contains Ruby bindings for %{name}.
 
 
+%package java
+Summary:     Java bindings for %{name}
+Group:       Development/Libraries
+Requires:    %{name} = %{version}-%{release}
+Requires:    java >= 1.5.0
+Requires:    jpackage-utils
+
+%description java
+%{name}-java contains Java bindings for %{name}.
+
+If you want to develop software in Java which uses %{name}, then
+you will also need %{name}-java-devel.
+
+
+%package java-devel
+Summary:     Java development package for %{name}
+Group:       Development/Libraries
+Requires:    %{name} = %{version}-%{release}
+Requires:    %{name}-java = %{version}-%{release}
+
+%description java-devel
+%{name}-java-devel contains the tools for developing Java software
+using %{name}.
+
+See also %{name}-javadoc.
+
+
+%package javadoc
+Summary:     Java documentation for %{name}
+Group:       Development/Libraries
+Requires:    %{name} = %{version}-%{release}
+Requires:    %{name}-java = %{version}-%{release}
+Requires:    jpackage-utils
+
+%description javadoc
+%{name}-javadoc contains the Java documentation for %{name}.
+
+
 %prep
 %setup -q
 
@@ -184,10 +227,14 @@ popd
 %define extra %nil
 %endif
 
-./configure --prefix=%{_prefix} --libdir=%{_libdir} %{extra}
+./configure \
+  --prefix=%{_prefix} --libdir=%{_libdir} \
+  --with-java-home=%{java_home} \
+  %{extra}
 
 # 'INSTALLDIRS' ensures that perl libs are installed in the vendor dir
 # not the site dir.
+# Uses javac which is incompatible with parallel make.
 make INSTALLDIRS=vendor
 
 
@@ -321,6 +368,25 @@ rm -rf $RPM_BUILD_ROOT
 %{ruby_sitearch}/_guestfs.so
 
 
+%files java
+%defattr(-,root,root,-)
+%doc README
+%{_libdir}/libguestfs_jni*.so.*
+%{_datadir}/java/*.jar
+
+
+%files java-devel
+%defattr(-,root,root,-)
+%doc java/
+%{_libdir}/libguestfs_jni*.so
+
+
+%files java
+%defattr(-,root,root,-)
+%doc README
+/usr/share/javadoc/%{name}-java-%{version}
+
+
 %changelog
 * Mon Apr 20 2009 Richard Jones <rjones@redhat.com> - @VERSION@-1
 - New upstream version @VERSION@.