package play.templates;
import java.io.File;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import play.Logger;
import play.Play;
import play.classloading.BytecodeCache;
import play.exceptions.JavaExecutionException;
import play.exceptions.NoRouteFoundException;
import play.exceptions.TagInternalException;
import play.exceptions.TemplateExecutionException;
import play.exceptions.TemplateExecutionException.DoBodyException;
import play.libs.Codec;
import play.libs.IO;
/**
* A template
*/
public abstract class BaseTemplate extends Template {
public String compiledSource;
public Map<Integer, Integer> linesMatrix = new HashMap<Integer, Integer>();
public Set<Integer> doBodyLines = new HashSet<Integer>();
public Class compiledTemplate;
public String compiledTemplateName;
public Long timestamp = System.currentTimeMillis();
public BaseTemplate(String name, String source) {
this.name = name;
this.source = source;
}
public BaseTemplate(String source) {
this.name = Codec.UUID();
this.source = source;
}
public void loadPrecompiled() {
try {
File file = Play.getFile("precompiled/templates/" + name);
byte[] code = IO.readContent(file);
directLoad(code);
} catch (Exception e) {
throw new RuntimeException("Cannot load precompiled template " + name);
}
}
public boolean loadFromCache() {
try {
long start = System.currentTimeMillis();
byte[] bc = BytecodeCache.getBytecode(name, source);
if (bc != null) {
directLoad(bc);
if (Logger.isTraceEnabled()) {
Logger.trace("%sms to load template %s from cache", System.currentTimeMillis() - start, name);
}
return true;
}
} catch (Exception e) {
Logger.warn(e, "Cannot load %s from cache", name);
}
return false;
}
abstract void directLoad(byte[] code) throws Exception;
void throwException(Throwable e) {
for (StackTraceElement stackTraceElement : e.getStackTrace()) {
if (stackTraceElement.getClassName().equals(compiledTemplateName) || stackTraceElement.getClassName().startsWith(compiledTemplateName + "$_run_closure")) {
if (doBodyLines.contains(stackTraceElement.getLineNumber())) {
throw new DoBodyException(e);
} else if (e instanceof TagInternalException) {
throw (TagInternalException) cleanStackTrace(e);
} else if (e instanceof NoRouteFoundException) {
NoRouteFoundException ex = (NoRouteFoundException) cleanStackTrace(e);
if (ex.getFile() != null) {
throw new NoRouteFoundException(ex.getFile(), this, this.linesMatrix.get(stackTraceElement.getLineNumber()));
}
throw new NoRouteFoundException(ex.getAction(), ex.getArgs(), this, this.linesMatrix.get(stackTraceElement.getLineNumber()));
} else if (e instanceof TemplateExecutionException) {
throw (TemplateExecutionException) cleanStackTrace(e);
} else {
throw new TemplateExecutionException(this, this.linesMatrix.get(stackTraceElement.getLineNumber()), e.getMessage(), cleanStackTrace(e));
}
}
if (stackTraceElement.getLineNumber() > 0 && Play.classes.hasClass(stackTraceElement.getClassName())) {
throw new JavaExecutionException(Play.classes.getApplicationClass(stackTraceElement.getClassName()), stackTraceElement.getLineNumber(), cleanStackTrace(e));
}
}
throw new RuntimeException(e);
}
abstract Throwable cleanStackTrace(Throwable e);
public static ThreadLocal<BaseTemplate> layout = new ThreadLocal<BaseTemplate>();
public static ThreadLocal<Map<Object, Object>> layoutData = new ThreadLocal<Map<Object, Object>>();
public static ThreadLocal<BaseTemplate> currentTemplate = new ThreadLocal<BaseTemplate>();
public static class RawData {
public String data;
public RawData(Object val) {
if (val == null) {
data = "";
} else {
data = val.toString();
}
}
@Override
public String toString() {
return data;
}
}
}