New JVM selection scripts.

5 files changed, 51 insertions, 0 deletions

diff --git a/debian/changelog b/debian/changelog
index a61d226..c427846 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+java-common (0.24) unstable; urgency=low
+
+  * Added new JVM launcher support scripts and settings file. These support
+    machine wide, per-user, per-program JVM selection. They should be sourced
+    from a package's wrapper script to determine JAVA_HOME.
+
+ -- Jerry Haltom <wasabi@larvalstage.net>  Wed,  6 Jul 2005 17:44:45 -0500
+
 java-common (0.23) unstable; urgency=low
 
   * Updated the Debian Java FAQ (closes: #156547, #252219), thanks to
diff --git a/debian/java-common.dirs b/debian/java-common.dirs
index 13c9f03..bf7c2a3 100644
--- a/debian/java-common.dirs
+++ b/debian/java-common.dirs
@@ -1 +1,2 @@
+usr/share/java-common
 usr/share/java
diff --git a/debian/rules b/debian/rules
index f425f88..f195b97 100755
--- a/debian/rules
+++ b/debian/rules
@@ -62,6 +62,7 @@ binary-indep: build install
 #	dh_installcron -i
 	dh_installman -i
 #	dh_installinfo -i
+	dh_install -i
 #	dh_undocumented -i
 	dh_installchangelogs  -i
 	dh_link -i
diff --git a/share/java-common.sh b/share/java-common.sh
new file mode 100644
index 0000000..c0db858
--- /dev/null
+++ b/share/java-common.sh
@@ -0,0 +1,36 @@
+function jvm_scan_file() {
+    file="$1"
+
+    grep -v '#' "$file" | while read jvm; do
+        if [ -n "$jvm" -a -x "$jvm/bin/java" ]; then
+            echo -n $jvm
+            return
+        fi
+    done
+}
+
+function jvm_find() {
+    local jvm
+
+    if [ -n "$JAVA_HOME" ]; then
+        jvm="$JAVA_HOME"
+    fi
+
+    for file in \
+        "$HOME/.jvm.d/$1" \
+        "$HOME/.jvm" \
+        "/etc/jvm.d/$1" \
+        "/etc/jvm"; do \
+        if [ -z "$jvm" ]; then
+            if [ -r "$file" ]; then
+                jvm="$(jvm_scan_file "$file")"
+            fi
+        fi
+    done
+
+    echo -n "$jvm"
+}
+
+function jvm_config() {
+    echo JAVA_HOME="$(jvm_find "$1")"
+}
diff --git a/share/jvm-find.sh b/share/jvm-find.sh
new file mode 100755
index 0000000..653e2e7
--- /dev/null
+++ b/share/jvm-find.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+. $(dirname $0)/java-common.sh
+
+jvm_config "$@"