jdk_download.sh

### Shell script to download Oracle JDK / JRE / Java binaries from Oracle website using terminal / command / shell prompt using wget.
### You can download all the binaries one-shot by just giving the BASE_URL.
### Script might be useful if you need Oracle JDK on Amazon EC2 env.
### Script is updated for every JDK release.

## Features:-
# 1. Resumes a broken / interrupted [previous] download, if any.
# 2. Renames the file to a proper name with including platform info.
# 3. Downloads the following from Oracle Website with one shell invocation.
#    a. Windows 64 and 32 bit;
#    b. Linux 64 and 32 bit;
#    c. API Docs;
#    d. You can add more to the list of downloads are per your requirement.

# curl -O -J -L -H -C - "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u45-b14/jdk-8u45-linux-x64.tar.gz
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## Current latest JDK8 version: JDK8u45
BASE_URL=http://download.oracle.com/otn-pub/java/jdk/8u45-b14/jdk-8u45

## Earlier versions: 
## v8u40 => http://download.oracle.com/otn-pub/java/jdk/8u40-b25/jdk-8u40
## v8u31 => http://download.oracle.com/otn-pub/java/jdk/8u31-b13/jdk-8u31
## v8u25 => http://download.oracle.com/otn-pub/java/jdk/8u25-b17/jdk-8u25

JDK_VERSION=${BASE_URL: -8}

declare -a PLATFORMS=("-windows-x64.exe" "-windows-i586.exe" "-linux-x64.tar.gz" "-linux-i586.tar.gz" "-docs-all.zip")

for platform in "${PLATFORMS[@]}"
do
    wget -c -O "$JDK_VERSION$platform" --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" "${BASE_URL}${platform}"
done

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## Current latest JDK7 version: JDK7u79
BASE_URL=http://download.oracle.com/otn-pub/java/jdk/7u79-b15/jdk-7u79

## Previous versions
## v7u75 ==> http://download.oracle.com/otn-pub/java/jdk/7u75-b13/jdk-7u75
## v7u71 ==> http://download.oracle.com/otn-pub/java/jdk/7u71-b14/jdk-7u71

JDK_VERSION=${BASE_URL: -8}

declare -a PLATFORMS=("-windows-x64.exe" "-windows-i586.exe" "-linux-x64.tar.gz" "-linux-i586.tar.gz" "-docs-all.zip")

for platform in "${PLATFORMS[@]}"
do
    wget -c -O "$JDK_VERSION$platform" --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" "${BASE_URL}${platform}"
done

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