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| /.gradle/ | |
| /build/ | |
| /buildSrc/ | |
| generated.conf | |
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| defaultTasks 'clean', 'generateConfig' | |
| ext { | |
| templatesDir = projectDir // config templates location | |
| configTokens = [ | |
| db: [ | |
| host: 'localhost', | |
| name: 'test', | |
| user: 'test', | |
| pass: '' | |
| ] | |
| ] | |
| } | |
| task generateConfig(type: GenerateTemplate) { | |
| template = 'template.conf' | |
| target = file('generated.conf') | |
| expand configTokens // filter() can be used instead to replace tokens | |
| } | |
| task clean(type: Delete) { | |
| delete generateConfig.target | |
| } |
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| /** | |
| * Move this class to buildSrc/src/main/groovy under your project. | |
| */ | |
| import org.gradle.api.tasks.Copy | |
| import org.gradle.api.tasks.Input | |
| import org.gradle.api.tasks.OutputFile | |
| import org.gradle.api.tasks.Optional | |
| import org.apache.tools.ant.filters.ReplaceTokens | |
| class GenerateTemplate extends Copy { | |
| public final static BEGIN_TOKEN = '{' | |
| public final static END_TOKEN = '}' | |
| private String template | |
| private File target | |
| @Optional | |
| private Map<String, ?> properties | |
| def GenerateTemplate() { | |
| from(project.templatesDir) | |
| } | |
| public GenerateTemplate setTemplate(String name) { | |
| this.template = name | |
| include(template) | |
| this | |
| } | |
| @Input | |
| public String getTemplate() { | |
| template | |
| } | |
| public GenerateTemplate setTarget(File file) { | |
| this.target = file | |
| into(target.getParent()) | |
| this | |
| } | |
| @OutputFile | |
| public File getTarget() { | |
| target | |
| } | |
| @Override | |
| protected void configureRootSpec() { | |
| super.configureRootSpec() | |
| rename(template, target.getName()) | |
| } | |
| /** | |
| * Configures a filter to replace tokens in a template. | |
| * The method should be called from configureRootSpec(). | |
| */ | |
| private GenerateTemplate configureFilter() { | |
| filter(ReplaceTokens, tokens: properties, beginToken: BEGIN_TOKEN, endToken: END_TOKEN) | |
| this | |
| } | |
| } |
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| db.host = ${db.host} | |
| db.name = ${db.name} | |
| db.user = ${db.user} | |
| db.pass = ${db.pass} |
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