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play.deps.YamlParser Maven / Gradle / Ivy
package play.deps;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.text.ParseException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.ivy.core.module.descriptor.Configuration;
import org.apache.ivy.core.module.descriptor.DefaultDependencyDescriptor;
import org.apache.ivy.core.module.descriptor.DefaultExcludeRule;
import org.apache.ivy.core.module.descriptor.DefaultModuleDescriptor;
import org.apache.ivy.core.module.descriptor.ExcludeRule;
import org.apache.ivy.core.module.descriptor.MDArtifact;
import org.apache.ivy.core.module.descriptor.ModuleDescriptor;
import org.apache.ivy.core.module.id.ArtifactId;
import org.apache.ivy.core.module.id.ModuleId;
import org.apache.ivy.core.module.id.ModuleRevisionId;
import org.apache.ivy.plugins.matcher.ExactOrRegexpPatternMatcher;
import org.apache.ivy.plugins.matcher.PatternMatcher;
import org.apache.ivy.plugins.parser.AbstractModuleDescriptorParser;
import org.apache.ivy.plugins.parser.ModuleDescriptorParser;
import org.apache.ivy.plugins.parser.ParserSettings;
import org.apache.ivy.plugins.repository.Resource;
import org.yaml.snakeyaml.Yaml;
public class YamlParser extends AbstractModuleDescriptorParser {
static class Oops extends Exception {
public Oops(String message) {
super(message);
}
}
public boolean accept(Resource rsrc) {
return rsrc.exists() && rsrc.getName().endsWith(".yml");
}
public ModuleDescriptor parseDescriptor(ParserSettings ps, URL url, Resource rsrc, boolean bln) throws ParseException, IOException {
try {
Yaml yaml = new Yaml();
Object o = null;
// Try to parse the yaml
try {
o = yaml.load(rsrc.openStream());
} catch (Exception e) {
throw new Oops(e.toString().replace("\n", "\n~ \t"));
}
// We expect a Map here
if (!(o instanceof Map)) {
throw new Oops("Unexpected format -> " + o);
}
Map data = (Map) o;
ModuleRevisionId id = null;
// Search for 'self' tag
if (data.containsKey("self")) {
if (data.get("self") instanceof String) {
Matcher m = Pattern.compile("([^\\s]+)\\s*[-][>]\\s*([^\\s]+)\\s+([^\\s]+).*").matcher(data.get("self").toString());
if (m.matches()) {
String org = m.group(1);
String name = m.group(2);
String rev = m.group(3).replace("$version", System.getProperty("play.version"));
id = ModuleRevisionId.newInstance(org, name, rev);
} else {
throw new Oops("Unknown self format -> " + data.get("self"));
}
} else {
throw new Oops("Unknown self format -> " + data.get("self"));
}
} else {
String org = "play-application";
String name = new File(System.getProperty("application.path")).getName();
String rev = "1.0";
id = ModuleRevisionId.newInstance(org, name, rev);
}
DefaultModuleDescriptor descriptor = new DefaultModuleDescriptor(id, "release", null, true) {
@Override
public ModuleDescriptorParser getParser() {
return new YamlParser();
}
};
descriptor.addConfiguration(new Configuration("default"));
descriptor.addArtifact("default", new MDArtifact(descriptor, id.getName(), "jar", "zip"));
descriptor.setLastModified(rsrc.getLastModified());
boolean transitiveDependencies = get(data, "transitiveDependencies", boolean.class, true);
if (data.containsKey("require")) {
if (data.get("require") instanceof List) {
List dependencies = (List) data.get("require");
for (Object dep : dependencies) {
String depName;
Map options;
if (dep instanceof String) {
depName = ((String) dep).trim();
options = new HashMap();
} else if (dep instanceof Map) {
depName = ((Map) dep).keySet().iterator().next().toString().trim();
options = (Map) ((Map) dep).values().iterator().next();
} else {
throw new Oops("Unknown dependency format -> " + dep);
}
// Hack
depName = depName.replace("$version", System.getProperty("play.version"));
if(depName.matches("play\\s+->\\s+play") || depName.equals("play")) {
depName = "play -> play " + System.getProperty("play.version");
}
if(depName.matches("play\\s+->\\s+crud") || depName.equals("crud")) {
depName = "play -> crud " + System.getProperty("play.version");
}
if(depName.matches("play\\s+->\\s+secure") || depName.equals("secure")) {
depName = "play -> secure " + System.getProperty("play.version");
}
Matcher m = Pattern.compile("([^\\s]+)\\s*[-][>]\\s*([^\\s]+)\\s+([^\\s]+)(\\s+[^\\s]+)?.*").matcher(depName);
if (!m.matches()) {
m = Pattern.compile("(([^\\s]+))\\s+([^\\s]+)(\\s+[^\\s]+)?.*").matcher(depName);
if (!m.matches()) {
throw new Oops("Unknown dependency format -> " + depName);
}
}
HashMap extraAttributesMap = null;
if(m.groupCount() == 4 && m.group(4) != null && !m.group(4).trim().isEmpty()){
// dependency has a classifier
extraAttributesMap = new HashMap();
extraAttributesMap.put("classifier", m.group(4).trim());
}
ModuleRevisionId depId = ModuleRevisionId.newInstance(m.group(1), m.group(2), m.group(3), extraAttributesMap);
boolean transitive = options.containsKey("transitive") && options.get("transitive") instanceof Boolean ? (Boolean) options.get("transitive") : transitiveDependencies;
boolean force = options.containsKey("force") && options.get("force") instanceof Boolean ? (Boolean) options.get("force") : false;
boolean changing = options.containsKey("changing") && options.get("changing") instanceof Boolean ? (Boolean) options.get("changing") : false;
DefaultDependencyDescriptor depDescriptor = new DefaultDependencyDescriptor(descriptor, depId, force, changing, transitive);
depDescriptor.addDependencyConfiguration("default", "*");
// Exclude transitive dependencies
if (options.containsKey("exclude") && options.get("exclude") instanceof List) {
List exclude = (List) options.get("exclude");
for (Object ex : exclude) {
String exName = ex.toString().trim();
m = Pattern.compile("([^\\s]+)\\s*[-][>]\\s*([^\\s]+).*").matcher(exName);
if (!m.matches()) {
m = Pattern.compile("([^\\s]+)").matcher(exName);
if (!m.matches()) {
throw new Oops("Unknown exclude format -> " + exName);
}
}
String org = m.group(1);
String module = "*";
if (m.groupCount() > 1) {
module = m.group(2);
}
ArtifactId aid = new ArtifactId(new ModuleId(org, module), "*", "*", "*");
PatternMatcher matcher = new ExactOrRegexpPatternMatcher();
ExcludeRule excludeRule = new DefaultExcludeRule(aid, matcher, new HashMap());
depDescriptor.addExcludeRule("default", excludeRule);
}
}
// Ids
boolean useIt = true;
String currentId = System.getProperty("play.id");
if (currentId == null || currentId.trim().equals("")) {
currentId = "unset";
}
if (options.containsKey("id")) {
if (options.get("id") instanceof String) {
useIt = options.get("id").toString().equals(currentId);
} else if (options.get("id") instanceof List) {
useIt = ((List) options.get("id")).contains(currentId);
}
}
if (useIt) {
// Add it!
descriptor.addDependency(depDescriptor);
}
}
} else {
throw new Oops("require list not found -> " + o);
}
}
return descriptor;
} catch (Oops e) {
System.out.println("~ Oops, malformed dependencies.yml descriptor:");
System.out.println("~");
System.out.println("~ \t" + e.getMessage());
System.out.println("~");
throw new ParseException("Malformed dependencies.yml descriptor", 0);
}
}
public void toIvyFile(InputStream in, Resource rsrc, File file, ModuleDescriptor md) throws ParseException, IOException {
((DefaultModuleDescriptor)md).toIvyFile(file);
}
@SuppressWarnings("unchecked")
T get(Map data, String key, Class type) {
if (data.containsKey(key)) {
Object o = data.get(key);
if (type.isAssignableFrom(o.getClass())) {
if(o instanceof String) {
o = o.toString().replace("${play.path}", System.getProperty("play.path"));
o = o.toString().replace("${application.path}", System.getProperty("application.path"));
}
return (T) o;
}
}
return null;
}
T get(Map data, String key, Class type, T defaultValue) {
T o = get(data, key, type);
if (o == null) {
return defaultValue;
}
return o;
}
}
