source: main/trunk/gli/findjava.sh@ 32013

Last change on this file since 32013 was 32013, checked in by ak19, 4 years ago

Suppressing confusing message on Macs when there's no system Java installed but search4j is still trying to find a (custom) java and could potentially find one.

  • Property svn:executable set to *
File size: 7.4 KB
Line 
1# We will already be in the correct folder (GLI folder), which would
2# contain a compiled up search4j if this GLI is part of an installation.
3# If a search4j executable is not there, then it means this is an SVN checkout.
4# In such a case, it's up to the user checking things out to ensure JAVA_HOME
5# is set and moreover points to the correct version of the Java.
6
7# Function to check if any JAVA_HOME is set and if so, try using that
8function try_java {
9 MIN_DISPLAY_VERSION=${1};
10
11 if [ "x$JAVA_HOME" = "x" -o ! -f "$JAVA_HOME/bin/java" ]; then
12 no_java "$MIN_DISPLAY_VERSION"
13 return $?
14 else
15 # There is a JAVA_HOME already set, we're going to try using that
16 javapath="$JAVA_HOME/bin/java"
17 javahome="$JAVA_HOME"
18 # Print a warning that we're going to use whatever JAVA_HOME is set (fingers crossed)
19 if [ "x$gslang" = "x" -o "$gslang" = "en" ]; then
20 echo
21 echo "***************************************************************************"
22 echo "WARNING: "
23 echo "Java Runtime not bundled with this Greenstone installation."
24 echo "Using JAVA_HOME: $JAVA_HOME"
25 echo "(NOTE: this needs to be $MIN_DISPLAY_VERSION or higher.)"
26 echo "***************************************************************************"
27 echo
28 fi
29 echo "Java:"
30 echo $javapath
31 echo
32 return 0
33 fi
34}
35
36function no_java {
37 MIN_DISPLAY_VERSION=${1};
38
39 echo
40 if [ "$gslang" = "es" ]; then
41 echo "No se pudo localizar una versión apropiada de Java. Usted deberá "
42 echo "instalar un Ambiente de Ejecución Java (versión $MIN_DISPLAY_VERSION o superior) "
43 echo "antes de correr la Interfaz de la $PROGNAME."
44 elif [ "$gslang" = "fr" ]; then
45 echo "Une version adéquate de Java n'a pas pu être localisée."
46 echo "Vous devez installer un Java Runtime Environment (version $MIN_DISPLAY_VERSION ou"
47 echo "supérieur) avant de démarrer $PROGNAME."
48 echo "Si vous avez Java installé sur votre ordinateur veuillez vérifier la variable"
49 echo "d'environnement JAVA_HOME."
50 elif [ "$gslang" = "ru" ]; then
51 echo "îÅ ÕÄÁÌÏÓØ ÏÐÒÅÄÅÌÉÔØ ÍÅÓÔÏÎÁÈÏÖÄÅÎÉÅ ÓÏÏÔ×ÅÔÓÔ×ÕÀÝÅÊ ×ÅÒÓÉÉ Java."
52 echo "÷Ù ÄÏÌÖÎÙ ÕÓÔÁÎÏ×ÉÔØ Java Runtime Environment (×ÅÒÓÉÀ $MIN_DISPLAY_VERSION ÉÌÉ ×ÙÛÅ)"
53 echo "ÐÅÒÅÄ ××ÏÄÏÍ ÂÉÂÌÉÏÔÅÞÎÏÇÏ $PROGNAME."
54 else
55 echo "Failed to locate an appropriate version of Java. You must install a"
56 echo "Java Runtime Environment (version $MIN_DISPLAY_VERSION or greater) before running the"
57 echo "$PROGNAME."
58 echo "If you have Java installed on your machine please set the environment variable JAVA_HOME."
59 fi
60 return 1
61}
62
63function set_java_exec {
64 SEARCH4J_EXECUTABLE=${1};
65 MINIMUM_JAVA_VERSION=${2};
66 MIN_DISPLAY_VERSION=${3};
67
68 # Give search4j a hint to find Java depending on the platform
69 # we now include a JRE with Mac (Mountain) Lion, because from Yosemite onwards there's no system Java on Macs
70 HINT=`cd "$GSDLHOME";pwd`/packages/jre
71
72 # we can't use boolean operator -a to do the AND, since it doesn't "short-circuit" if the first test fails
73 # see http://www.tldp.org/LDP/abs/html/comparison-ops.html
74 if [ "$GSDLOS" = "darwin" ] && [ ! -d "$HINT" ]; then
75 # http://java.dzone.com/articles/java-findingsetting
76 # explains that /usr/libexec/java_home will print the default JDK
77 # regardless of which Mac OS we're on. Tested on Maverick, Lion, Leopard
78 # (run `/usr/libexec/java_home -v 1.7` to find a specific version)
79
80 # run silently in case no system java installed, as it will result in a confusing message about there being no java
81 # when we're still searching for java
82 macHINT=`/usr/libexec/java_home 2>&1`
83 #HINT=/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home
84 #/System/Library/Frameworks/JavaVM.framework/Home
85 status=$?
86 # if no java installed, then HINT will contain:
87 # Unable to find any JVMs matching version "(null)".
88 # No Java runtime present, try --request to install.
89 # and the status of running /usr/libexec/java_home will not be 0 but 1:
90 if [ "$status" = "0" ]; then
91 HINT=$macHINT
92 else
93 echo "No system Java on this mac..."
94 fi
95 fi
96
97 javapath="`"$SEARCH4J_EXECUTABLE" -e -p "$HINT" -m $MINIMUM_JAVA_VERSION`"
98 javahome="`"$SEARCH4J_EXECUTABLE" -p "$HINT" -m $MINIMUM_JAVA_VERSION`"
99
100 if [ "$?" != "0" ]; then
101
102 OLDVER="`"$SEARCH4J_EXECUTABLE" -v -p "$HINT"`"
103
104 if [ "$?" = "0" ]; then
105
106 if [ "$gslang" = "es" ]; then
107 echo "La versión del Ambiente de Ejecución Java (JRE por sus siglas en "
108 echo "inglés) que usted tiene instalada es demasiado vieja para ejecutar "
109 echo "la Interfaz de la $PROGNAME. Por favor instale "
110 echo "una nueva versión del Ambiente de Ejecución Java (versión $MIN_DISPLAY_VERSION o "
111 echo "posterior) y ejecute nuevamente este guión."
112 elif [ "$gslang" = "fr" ]; then
113 echo "La version de Java Runtime Environment que vous avez installée est"
114 echo "trop vielle pour faire fonctionner $PROGNAME."
115 echo "Veuillez installer une nouvelle version du JRE (version $MIN_DISPLAY_VERSION ou plus"
116 echo "récente) et redémarrez le script."
117 elif [ "$gslang" = "ru" ]; then
118 echo "÷ÅÒÓÉÑ Java Runtime Environment, ËÏÔÏÒÕÀ ÷Ù ÕÓÔÁÎÏ×ÉÌÉ, ÏÞÅÎØ ÓÔÁÒÁ,"
119 echo "ÞÔÏÂÙ ÕÐÒÁ×ÌÑÔØ ÂÉÂÌÉÏÔÅÞÎÙÍ $PROGNAME. ðÏÖÁÌÕÊÓÔÁ, "
120 echo "ÕÓÔÁÎÏ×ÉÔÅ ÎÏ×ÕÀ ×ÅÒÓÉÀ JRE (×ÅÒÓÉÀ $MIN_DISPLAY_VERSION ÉÌÉ ÂÏÌÅÅ ÎÏ×ÕÀ) É"
121 echo "ÐÅÒÅÕÓÔÁÎÏ×ÉÔÅ ÜÔÏÔ ÓËÒÉÐÔ"
122 else
123 echo "The version of the Java Runtime Environment you have installed ($OLDVER)"
124 echo "is too old to run the $PROGNAME. Please install a new"
125 echo "version of the JRE (version $MIN_DISPLAY_VERSION or newer) and rerun this script."
126 fi
127 return 1
128
129 else
130 no_java "$MIN_DISPLAY_VERSION"
131 return $?
132 fi
133
134 fi
135 echo "Java:"
136 echo $javapath
137 echo
138 return 0
139}
140
141
142## ---- Check Java ----
143# Some users may set this line manually
144#JAVA_HOME=
145gslang=$1
146PROGNAME=$2
147MINIMUM_JAVA_VERSION=1.4.0_00
148MIN_DISPLAY_VERSION=1.4
149
150# sus out search4j
151# first look for compiled search4j executable inside the current folder
152if [ -x search4j ]; then
153 SEARCH4J_EXECUTABLE=search4j
154elif [ -x "$GSDLHOME/bin/$GSDLOS/search4j" ]; then
155 SEARCH4J_EXECUTABLE="$GSDLHOME/bin/$GSDLOS/search4j"
156elif [ -x "$GSDL3SRCHOME/bin/$GSDLOS/search4j" ]; then
157 SEARCH4J_EXECUTABLE="$GSDL3SRCHOME/bin/search4j"
158elif [ -x "../bin/$GSDLOS/search4j" ]; then
159 SEARCH4J_EXECUTABLE=../bin/$GSDLOS/search4j
160elif [ -x "../bin/search4j" ]; then
161 SEARCH4J_EXECUTABLE=../bin/search4j
162else
163 echo "Couldn't determine the location of the search4j executable"
164 echo "If you are running Greenstone2"
165 echo " * check GSDLHOME is set"
166 echo " * check bin/$GSDLOS/search4j exists"
167 echo " * check bin/$GSDLOS/search4j is executable"
168 echo "If you are running Greenstone3"
169 echo " * check GSDL3SRCHOME is set"
170 echo " * check bin/search4j exists"
171 echo " * check bin/search4j is executable"
172 echo " * try running 'ant compile-search4j'"
173fi
174
175# Now run set_java_exec with search4j if we found one, else try javahome
176if [ "x$SEARCH4J_EXECUTABLE" != "x" ]; then
177 set_java_exec "$SEARCH4J_EXECUTABLE" "$MINIMUM_JAVA_VERSION" "$MIN_DISPLAY_VERSION"
178 retval=$?
179else
180 try_java "$MIN_DISPLAY_VERSION"
181 retval=$?
182fi
183return $retval
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