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| Original file line number | Diff line number | Diff line change |
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| # Spring Boot Container | ||
| The Spring Boot Container allows [Spring Boot][s] applications, packaged `distZip`-style to be run. **Note** All styles of Sping Boot can be run (e.g. self-executable JAR, WAR file, `distZip`-style). This is just explicit support for the `distZip` style. | ||
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| <table> | ||
| <tr> | ||
| <td><strong>Detection Criteria</strong></td> | ||
| <td>The <tt>lib/spring-boot-.*.jar</tt> file exists in either the top-level directory or an immediate subdirectory of the application.</td> | ||
| </tr> | ||
| <tr> | ||
| <td><strong>Tags</strong></td> | ||
| <td><tt>spring-boot=<version></tt></td> | ||
| </tr> | ||
| </table> | ||
| Tags are printed to standard output by the buildpack detect script | ||
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| The container expects to run the application creating by running [`gradle distZip`][d] in an application built with the Spring Boot Gradle plugin. | ||
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| ## Configuration | ||
| The Spring Boot Container cannot be configured. | ||
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| [d]: http://docs.spring.io/spring-boot/docs/1.0.1.RELEASE/reference/htmlsingle/#using-boot-gradle | ||
| [s]: http://projects.spring.io/spring-boot/ |
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| # Encoding: utf-8 | ||
| # Cloud Foundry Java Buildpack | ||
| # Copyright 2013 the original author or authors. | ||
| # | ||
| # 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. | ||
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| require 'java_buildpack/component/base_component' | ||
| require 'java_buildpack/container' | ||
| require 'java_buildpack/util/find_single_directory' | ||
| require 'java_buildpack/util/qualify_path' | ||
| require 'java_buildpack/util/start_script' | ||
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| module JavaBuildpack | ||
| module Container | ||
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| # Encapsulates the detect, compile, and release functionality for selecting a `distZip`-like container. | ||
| class DistZipLike < JavaBuildpack::Component::BaseComponent | ||
| include JavaBuildpack::Util | ||
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| # (see JavaBuildpack::Component::BaseComponent#detect) | ||
| def detect | ||
| supports? ? id : nil | ||
| end | ||
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| # (see JavaBuildpack::Component::BaseComponent#compile) | ||
| def compile | ||
| start_script(root).chmod 0755 | ||
| augment_classpath_content | ||
| end | ||
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| # (see JavaBuildpack::Component::BaseComponent#release) | ||
| def release | ||
| [ | ||
| @droplet.java_home.as_env_var, | ||
| @droplet.java_opts.as_env_var, | ||
| qualify_path(start_script(root), @droplet.root) | ||
| ].flatten.compact.join(' ') | ||
| end | ||
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| protected | ||
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| # The id of this container | ||
| # | ||
| # @return [String] the id of this container | ||
| def id | ||
| fail "Method 'id' must be defined" | ||
| end | ||
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| # The root directory of the application | ||
| # | ||
| # @return [Pathname] the root directory of the application | ||
| def root | ||
| find_single_directory || @droplet.root | ||
| end | ||
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| # Whether or not this component supports this application | ||
| # | ||
| # @return [Boolean] whether or not this component supports this application | ||
| def supports? | ||
| fail "Method 'supports?' must be defined" | ||
| end | ||
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| private | ||
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| PATTERN_APP_CLASSPATH = /^declare -r app_classpath=\"(.*)\"$/ | ||
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| PATTERN_CLASSPATH = /^CLASSPATH=(.*)$/.freeze | ||
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| private_constant :PATTERN_APP_CLASSPATH, :PATTERN_CLASSPATH | ||
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| def augment_app_classpath(content) | ||
| additional_classpath = @droplet.additional_libraries.sort.map do |additional_library| | ||
| "$app_home/#{additional_library.relative_path_from(start_script(root).dirname)}" | ||
| end | ||
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| update_file start_script(root), content, | ||
| PATTERN_APP_CLASSPATH, "declare -r app_classpath=\"#{additional_classpath.join(':')}:\\1\"" | ||
| end | ||
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| def augment_classpath(content) | ||
| additional_classpath = @droplet.additional_libraries.sort.map do |additional_library| | ||
| "$APP_HOME/#{additional_library.relative_path_from(root)}" | ||
| end | ||
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| update_file start_script(root), content, | ||
| PATTERN_CLASSPATH, "CLASSPATH=#{additional_classpath.join(':')}:\\1" | ||
| end | ||
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| def augment_classpath_content | ||
| content = start_script(root).read | ||
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| if content =~ PATTERN_CLASSPATH | ||
| augment_classpath content | ||
| elsif content =~ PATTERN_APP_CLASSPATH | ||
| augment_app_classpath content | ||
| end | ||
| end | ||
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| def update_file(path, content, pattern, replacement) | ||
| path.open('w') do |f| | ||
| f.write content.gsub pattern, replacement | ||
| f.fsync | ||
| end | ||
| end | ||
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| end | ||
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| end | ||
| end |
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