public static boolean call(PageContext pc, Object obj, boolean addNewLine, boolean doErrorStream)
throws PageException {
String string;
if (Decision.isSimpleValue(obj)) string = Caster.toString(obj);
else {
try {
string = Serialize.call(pc, obj);
} catch (Throwable t) {
string = obj.toString();
}
}
PrintStream stream = System.out;
// string+=":"+Thread.currentThread().getId();
if (doErrorStream) stream = System.err;
if (string != null) {
if (StringUtil.indexOfIgnoreCase(string, "<print-stack-trace>") != -1) {
String st = ExceptionUtil.getStacktrace(new Exception("Stack trace"), false);
string = StringUtil.replace(string, "<print-stack-trace>", "\n" + st + "\n", true).trim();
}
if (StringUtil.indexOfIgnoreCase(string, "<hash-code>") != -1) {
String st = obj.hashCode() + "";
string = StringUtil.replace(string, "<hash-code>", st, true).trim();
}
}
if (addNewLine) stream.println(string);
else stream.print(string);
return true;
}
/**
* translate a binary array to a buffered image
*
* @param binary
* @return
* @throws IOException
*/
@Override
public final BufferedImage toBufferedImage(byte[] bytes, String format) throws IOException {
try {
return Sanselan.getBufferedImage(new ByteArrayInputStream(bytes));
} catch (ImageReadException e) {
throw ExceptionUtil.toIOException(e);
}
}
/**
* translate a file resource to a buffered image
*
* @param res
* @return
* @throws IOException
*/
@Override
public final BufferedImage toBufferedImage(Resource res, String format) throws IOException {
InputStream is = null;
try {
return Sanselan.getBufferedImage(is = res.getInputStream());
} catch (ImageReadException e) {
throw ExceptionUtil.toIOException(e);
} finally {
IOUtil.closeEL(is);
}
}
public BIF(PageContext pc, String name) throws ApplicationException {
super(Component.ACCESS_PUBLIC);
ci = (ConfigImpl) pc.getConfig();
FunctionLib fl = ci.getCombinedFLDs(pc.getCurrentTemplateDialect());
flf = fl.getFunction(name);
// BIF not found
if (flf == null) {
Key[] keys = CollectionUtil.toKeys(fl.getFunctions().keySet());
throw new ApplicationException(
ExceptionUtil.similarKeyMessage(
keys, name, "build in function", "build in functions", null, false));
}
try {
this.id = Hash.md5(name);
} catch (NoSuchAlgorithmException e) {
this.id = name;
}
}
