apply plugin: 'java'

// Setting up project wide variables
project.ext {
    name = 'Apache FOP'
    year = '1999-2009'
    // Not sure exactly what to put here, but since 1.1rc1 is out...
    version = '1.2-SNAPSHOT'
    sourceDir = 'src/java'
    sourceSandboxClassesDir = "src/sandbox/"
    sourceCodegenDir = "src/codegen"
    gensrcDir = "$buildDir/gensrc/"
    buildClassesDir = "$buildDir/classes/main/"
    buildSandboxClassesDir = "$buildDir/sandbox-classes/main/"
    buildCodegenClassesDir = "$buildDir/codegen-classes"
}

loadPropertiesFrom 'build.config'
loadPropertiesFrom 'build.local.config'

jar {
    baseName = 'fop'
    destinationDir = buildDir
}

sourceSets {
    main {
        java {
            srcDirs sourceDir, gensrcDir
        }
    }
    codegen {
        java {
            srcDir 'src/codegen/java'
        }
    }
}

// Setting up dependencies
repositories {
    mavenCentral()
    maven {
        url 'http://repository.springsource.com/maven/bundles/external'
    }
}

configurations {
   tools
}

dependencies {
    compile 'avalon-framework:avalon-framework-api:4.2.0',
            'avalon-framework:avalon-framework-impl:4.2.0',
            'javax.media.jai:com.springsource.javax.media.jai.core:1.1.3',
            'org.apache.ant:ant:1.8.4',
            'commons-io:commons-io:1.3.1',
            'commons-logging:commons-logging:1.0.4',
            'net.sf.offo:fop-hyph:1.2',
            'xalan:serializer:2.7.1',
            'xalan:xalan:2.7.1',
            'xerces:xercesImpl:2.7.1',
            'xml-apis:xml-apis:1.3.04',
            'xml-apis:xml-apis-ext:1.3.04',
            fileTree(dir: 'lib', includes: ['batik*.jar', 'servlet*.jar', 'xmlgraphics-commons*.jar'])

   tools    'com.thoughtworks.qdox:qdox:1.12',
            'xmlunit:xmlunit:1.3',
            'pmd:pmd:4.3',
            'asm:asm:3.1'
}

// This is an artefact from the legacy Ant builder, but until we have alternate mechanisms some of this
// needs to be done.
task init() << {
    println """ |------------------- ${name} ${version} [${year}] ----------------
                |See build.properties and build-local.properties for additional build settings
                |${gradle.gradleVersion}
                |VM: ${System.properties['java.vm.version']}, ${System.properties['java.vm.vendor']}
                |JAVA_HOME: ${System.env.JAVA_HOME?: 'NOT SET'}
            """.stripMargin().trim()
    def failUnless = { msg, predicate ->
        if (!predicate()) {
            throw new GradleException(msg)
        }
    }

    def isAvailable = { map, yield = {->} ->
        def ant = new groovy.util.AntBuilder()
        def atts = [property: 'isAvailable'] + map
        ant.available(atts, yield)
        Boolean.valueOf(ant.project.properties.isAvailable)
    }

    def isClassAvailable = { String className, configuration ->
        isAvailable([classname: className]) {
            classpath {
                configuration.each {
                    pathelement(location: it.toString())
                }
            }
        }
    }

    failUnless("${name} requires at least Java 1.5!") {
        return Float.valueOf(System.getProperty('java.version')[0..2]) >= 1.5
    }

    project.ext {
        jcePresent = isClassAvailable('javax.crypto.Cipher', configurations.compile)
        println 'JCE Support ' + (jcePresent ? 'PRESENT' : 'NOT present')

        /* TODO    junitPresent = isClassAvailable('org.junit.Test', configurations.testCompile)
        println 'JUnit Support ' + (junitPresent ? 'PRESENT' : 'NOT present - Committers are required to have JUnit working')
        */
    }
}

private void loadPropertiesFrom(fileName) {
    def propFile = new File(fileName) 
    if (propFile.file) {        
        def conf = new ConfigSlurper().parse(propFile.toURL())
        conf.each {k,v->
            setProperty(k,v)
        }
    }
}

// Perform the creation of the auto-generated classes
task codegen() << {
    String outputDir = "${buildDir}/gensrc/org/apache/fop/fonts/"
    String base14Dir = outputDir + 'base14/'
    String srcFontsDir = "$sourceCodegenDir/fonts/"

    def createFont = { String fontName, String encodingName = 'WinAnsiEncoding' ->
        ant.xslt(in: srcFontsDir + "${fontName}",
                 style: srcFontsDir + "font-file.xsl",
                 out: base14Dir + "${fontName.replaceFirst('xml', 'java')}") {
                     if (encodingName) {
                         param(name: 'encoding', expression: encodingName)
                     }
                 }
    }

    new File(base14Dir).mkdirs()
    fileTree(dir: srcFontsDir, includes: ['Helvetica*.xml', 'Times*.xml', 'Courier*.xml']).each {
       createFont(it.getName())
    }
    createFont('Symbol.xml', null)
    createFont('ZapfDingbats.xml', null)
    ant.xslt(in: srcFontsDir + 'encodings.xml', style: srcFontsDir + 'code-point-mapping.xsl', out: outputDir + 'CodePointMapping.java');
}

task compileSandboxJava(dependsOn: compileJava) << {
    new File(buildSandboxClassesDir).mkdirs()
    ant.javac(destDir: buildSandboxClassesDir) {
        src(path: sourceSandboxClassesDir)
        patternset(includes: '**/*.java')
        classpath {
            pathElement(path: configurations.compile.asPath)
            pathElement(location: buildClassesDir)
        }
    }
}

compileJava {
    dependsOn init, codegen
    doLast { tasks.compileSandboxJava.execute() }
}

task resourcegen(dependsOn: compileJava) << {
    String codegenClassesSrc = "$sourceCodegenDir/java"

    new File(buildCodegenClassesDir).mkdirs()
    ant.javac(destdir: buildCodegenClassesDir) {
        src(path: codegenClassesSrc)
        patternset(includes: '**/*.java')
        classpath { pathElement(location: buildClassesDir)
                    pathElement(path: configurations.compile.asPath)
                    pathElement(path: configurations.tools.asPath)
        }
    }

    copy {
        from(codegenClassesSrc) {
            include '**/*.xsl'
        }
        into buildCodegenClassesDir
    }

    ant.taskdef(name: 'eventResourceGenerator', classname: 'org.apache.fop.tools.EventProducerCollectorTask') {
        classpath { pathElement(location: buildClassesDir)
                    pathElement(location: buildCodegenClassesDir)
                    pathElement(path: configurations.compile.asPath)
                    pathElement(path: configurations.tools.asPath)
        }
    }
    ant.eventResourceGenerator(destdir: gensrcDir) {
        fileset(dir: sourceDir, includes: '**/*.java')
    }
}

task compileCopyResources(dependsOn: resourcegen) << {
    String viewerResourceSourceDir = "$sourceDir/org/apache/fop/render/awt/viewer/"
    String viewerResourceTargetDir = "$buildClassesDir/org/apache/fop/render/awt/viewer/"

    copy {
        from(sourceDir) {
            include 'META-INF/**'
            include '**/*.icm'
            include '**/*.xml'
            include '**/*.LICENSE.txt'
            include '**/*.xsl'
        }
        from(gensrcDir) {
            include '**/*.xml'
        }
        into buildClassesDir
    }
    def copyViewerClasses = { dir ->
        new File(viewerResourceTargetDir + dir).mkdirs()
        copy {
            from(viewerResourceSourceDir + dir) {
                include '**/*'
            }
            into viewerResourceTargetDir + dir
        }
    }
    copyViewerClasses('images/')
    copyViewerClasses('resources/')

    copy {
        from(sourceSandboxClassesDir) {
            include 'META-INF/**'
        }
        into buildSandboxClassesDir
    }
}

task compile {
    dependsOn compileCopyResources, compileJava
}

// Handle hyphenation compilation
task codegenHyphenationClasses(dependsOn: compile) << {
    ant.javac(destDir: buildCodegenClassesDir) {
        src(path: "$sourceCodegenDir/unicode/java")
    }

    ant.java(classname: 'org.apache.fop.hyphenation.UnicodeClasses', classpath: buildCodegenClassesDir, outputproperty: 'classesresult', fork: true) {
        arg(value: "$sourceDir/org/apache/fop/hyphenation/classes.xml")
    }
    // Ant did some messaging here, couldn't figure out how to replicate it, I'm sure it wasn't  important... Hubris...
}

task compileHyphenation(dependsOn: compile) << {
    new File("$buildDir/classes/hyph").mkdirs()

    ant.java(classname: 'org.apache.fop.hyphenation.SerializeHyphPattern', classpath: buildClassesDir, fork: true) {
        arg(value: 'hyph/')
        arg(value: "$buildDir/classes/hyph/")
        jvmarg(value: '-Xss512k')
    }
}

task uptodateJarHyphenation(dependsOn: compileHyphenation) << {
    ant.uptodate(property: 'jar.hyphenation.uptodate', targetfile: '$buildDir/fop-hyph.jar') {
        srcfiles(dir: '$buildDir/classes/hyph/')
    }
}

task jarHyphenation(dependsOn: uptodateJarHyphenation) << {
    ant.jar(jarfile: "$buildDir/fop-hyph.jar", basedir: buildClassesDir, includes: "hyph/*.hyph") {
        delegate.manifest {
            attribute(name: 'Implementation-Title', value: project.ext.name)
            attribute(name: 'Implementation-Version', value: project.ext.version)
            attribute(name: 'Implementation-Vendor', value: "The Apache Software Foundation (http://xmlgraphics.apache.org/fop/)")
            // TODO: the Java version is a global property in the Ant version
            attribute(name: 'Build-Id', value: "${new Date()} (${getProperty('user.name')} [${getProperty('os.name')} ${getProperty('os.version')} ${getProperty('os.arch')}, Java ${getProperty('java.runtime.version')}, Target Java 1.5])")
        }
    }
}