Refactor default recipe to better enable wrapper cookbooks

recipes/compute_paths.rb

@@ -0,0 +1,51 @@
+# Cookbook Name:: java
+# Recipe:: compute_paths
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Calculate variables that depend on jdk_version
+# If you need to override this in an attribute file you must use
+# force_default or higher precedence.
+
+case node['platform_family']
+when "rhel", "fedora"
+  case node['java']['install_flavor']
+  when "oracle"
+    node.default['java']['java_home'] = "/usr/lib/jvm/java"
+  else
+    node.default['java']['java_home'] = "/usr/lib/jvm/java-1.#{node['java']['jdk_version']}.0"
+  end
+  node.default['java']['openjdk_packages'] = ["java-1.#{node['java']['jdk_version']}.0-openjdk", "java-1.#{node['java']['jdk_version']}.0-openjdk-devel"]
+when "freebsd"
+  node.default['java']['java_home'] = "/usr/local/openjdk#{node['java']['jdk_version']}"
+  node.default['java']['openjdk_packages'] = ["openjdk#{node['java']['jdk_version']}"]
+when "arch"
+  node.default['java']['java_home'] = "/usr/lib/jvm/java-#{node['java']['jdk_version']}-openjdk"
+  node.default['java']['openjdk_packages'] = ["openjdk#{node['java']['jdk_version']}}"]
+when "debian"
+  node.default['java']['java_home'] = "/usr/lib/jvm/java-#{node['java']['jdk_version']}-#{node['java']['install_flavor']}"
+  # Newer Debian & Ubuntu adds the architecture to the path
+  if node['platform'] == 'debian' && Chef::VersionConstraint.new(">= 7.0").include?(node['platform_version']) ||
+     node['platform'] == 'ubuntu' && Chef::VersionConstraint.new(">= 12.04").include?(node['platform_version'])
+    node.default['java']['java_home'] = "#{node['java']['java_home']}-#{node['kernel']['machine'] == 'x86_64' ? 'amd64' : 'i386'}"
+  end
+  node.default['java']['openjdk_packages'] = ["openjdk-#{node['java']['jdk_version']}-jdk", "openjdk-#{node['java']['jdk_version']}-jre-headless"]
+when "smartos"
+  node.default['java']['java_home'] = "/opt/local/java/sun6"
+  node.default['java']['openjdk_packages'] = ["sun-jdk#{node['java']['jdk_version']}", "sun-jre#{node['java']['jdk_version']}"]
+when "windows"
+  # Do nothing otherwise we will fall through to the else and set java_home to an invalid path, causing the installer to popup a dialog
+else
+  node.default['java']['java_home'] = "/usr/lib/jvm/default-java"
+  node.default['java']['openjdk_packages'] = ["openjdk-#{node['java']['jdk_version']}-jdk"]
+end

recipes/default.rb

@@ -18,48 +18,9 @@
 # limitations under the License.
 #
 
-# Calculate variables that depend on jdk_version
-# If you need to override this in an attribute file you must use
-# force_default or higher precedence.
-case node['platform_family']
-when "rhel", "fedora"
-  case node['java']['install_flavor']
-  when "oracle"
-    node.default['java']['java_home'] = "/usr/lib/jvm/java"
-  else
-    node.default['java']['java_home'] = "/usr/lib/jvm/java-1.#{node['java']['jdk_version']}.0"
-  end
-  node.default['java']['openjdk_packages'] = ["java-1.#{node['java']['jdk_version']}.0-openjdk", "java-1.#{node['java']['jdk_version']}.0-openjdk-devel"]
-when "freebsd"
-  node.default['java']['java_home'] = "/usr/local/openjdk#{node['java']['jdk_version']}"
-  node.default['java']['openjdk_packages'] = ["openjdk#{node['java']['jdk_version']}"]
-when "arch"
-  node.default['java']['java_home'] = "/usr/lib/jvm/java-#{node['java']['jdk_version']}-openjdk"
-  node.default['java']['openjdk_packages'] = ["openjdk#{node['java']['jdk_version']}}"]
-when "debian"
-  node.default['java']['java_home'] = "/usr/lib/jvm/java-#{node['java']['jdk_version']}-#{node['java']['install_flavor']}"
-  # Newer Debian & Ubuntu adds the architecture to the path
-  if node['platform'] == 'debian' && Chef::VersionConstraint.new(">= 7.0").include?(node['platform_version']) ||
-     node['platform'] == 'ubuntu' && Chef::VersionConstraint.new(">= 12.04").include?(node['platform_version'])
-    node.default['java']['java_home'] = "#{node['java']['java_home']}-#{node['kernel']['machine'] == 'x86_64' ? 'amd64' : 'i386'}"
-  end
-  node.default['java']['openjdk_packages'] = ["openjdk-#{node['java']['jdk_version']}-jdk", "openjdk-#{node['java']['jdk_version']}-jre-headless"]
-when "smartos"
-  node.default['java']['java_home'] = "/opt/local/java/sun6"
-  node.default['java']['openjdk_packages'] = ["sun-jdk#{node['java']['jdk_version']}", "sun-jre#{node['java']['jdk_version']}"]
-when "windows"
-  # Do nothing otherwise we will fall through to the else and set java_home to an invalid path, causing the installer to popup a dialog
-else
-  node.default['java']['java_home'] = "/usr/lib/jvm/default-java"
-  node.default['java']['openjdk_packages'] = ["openjdk-#{node['java']['jdk_version']}-jdk"]
-end
-
+include_recipe "java::compute_paths"
 include_recipe "java::#{node['java']['install_flavor']}"
 
-# Purge the deprecated Sun Java packages if remove_deprecated_packages is true
-%w[sun-java6-jdk sun-java6-bin sun-java6-jre].each do |pkg|
-  package pkg do
-    action :purge
-    only_if { node['java']['remove_deprecated_packages'] }
-  end
+if node['java']['remove_deprecated_packages']
+  include_recipe "java::purge_packages"
 end

recipes/purge_packages.rb

@@ -0,0 +1,21 @@
+# Cookbook Name:: java
+# Recipe:: purge_packages
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Purge the deprecated Sun Java packages if remove_deprecated_packages is true
+%w[sun-java6-jdk sun-java6-bin sun-java6-jre].each do |pkg|
+  package pkg do
+    action :purge
+  end
+end