mirror of https://github.com/apache/druid.git
41 lines
1.5 KiB
Bash
Executable File
41 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#######################################
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# A utility script to search for java. The order in which we look for java
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# goes from most specific to least specific, i.e.
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# ${DRUID_JAVA_HOME}
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# ${JAVA_HOME}
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# ${PATH}
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# Arguments:
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# None
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# Returns:
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# The bin folder of java if it exists, otherwise an empty string
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#######################################
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get_java_bin_dir() {
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if [ ! -z "${DRUID_JAVA_HOME-}" ]; then
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printf "$DRUID_JAVA_HOME/bin"
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elif [ ! -z "${JAVA_HOME-}" ]; then
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printf "$JAVA_HOME/bin"
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elif [ ! -z "$(command -v java)" ]; then
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# Strip /java from the location of where java is installed
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JAVA_ON_PATH="$(command -v java)"
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printf "${JAVA_ON_PATH%/java}"
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else
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printf ""
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fi
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}
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