Examples with PrintWriter java.io.PrintWriter used on opensource projects

Example 1 with PrintWriter

use of java.io.PrintWriter in project camel by apache.

the class PGPDataFormatTest method getStrackTrace.

public static String getStrackTrace(Exception e) throws UnsupportedEncodingException {
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    PrintWriter w = new PrintWriter(os);
    e.printStackTrace(w);
    w.close();
    String stackTrace = new String(os.toByteArray(), "UTF-8");
    return stackTrace;
}

Example 2 with PrintWriter

use of java.io.PrintWriter in project camel by apache.

the class ExpressionBuilder method exchangeExceptionStackTraceExpression.

/**
     * Returns an expression for an exception stacktrace set on the exchange
     *
     * @return an expression object which will return the exception stacktrace set on the exchange
     */
public static Expression exchangeExceptionStackTraceExpression() {
    return new ExpressionAdapter() {

        public Object evaluate(Exchange exchange) {
            Exception exception = exchange.getException();
            if (exception == null) {
                exception = exchange.getProperty(Exchange.EXCEPTION_CAUGHT, Exception.class);
            }
            if (exception != null) {
                StringWriter sw = new StringWriter();
                PrintWriter pw = new PrintWriter(sw);
                exception.printStackTrace(pw);
                IOHelper.close(pw, sw);
                return sw.toString();
            } else {
                return null;
            }
        }

        @Override
        public String toString() {
            return "exchangeExceptionStackTrace";
        }
    };
}

Example 3 with PrintWriter

use of java.io.PrintWriter in project camel by apache.

the class DefaultExchangeFormatter method format.

public String format(Exchange exchange) {
    Message in = exchange.getIn();
    StringBuilder sb = new StringBuilder();
    if (showAll || showExchangeId) {
        if (multiline) {
            sb.append(SEPARATOR);
        }
        sb.append(style("Id")).append(exchange.getExchangeId());
    }
    if (showAll || showExchangePattern) {
        if (multiline) {
            sb.append(SEPARATOR);
        }
        sb.append(style("ExchangePattern")).append(exchange.getPattern());
    }
    if (showAll || showProperties) {
        if (multiline) {
            sb.append(SEPARATOR);
        }
        sb.append(style("Properties")).append(sortMap(exchange.getProperties()));
    }
    if (showAll || showHeaders) {
        if (multiline) {
            sb.append(SEPARATOR);
        }
        sb.append(style("Headers")).append(sortMap(in.getHeaders()));
    }
    if (showAll || showBodyType) {
        if (multiline) {
            sb.append(SEPARATOR);
        }
        sb.append(style("BodyType")).append(getBodyTypeAsString(in));
    }
    if (showAll || showBody) {
        if (multiline) {
            sb.append(SEPARATOR);
        }
        String body = getBodyAsString(in);
        if (skipBodyLineSeparator) {
            body = StringHelper.replaceAll(body, LS, "");
        }
        sb.append(style("Body")).append(body);
    }
    if (showAll || showException || showCaughtException) {
        // try exception on exchange first
        Exception exception = exchange.getException();
        boolean caught = false;
        if ((showAll || showCaughtException) && exception == null) {
            // fallback to caught exception
            exception = exchange.getProperty(Exchange.EXCEPTION_CAUGHT, Exception.class);
            caught = true;
        }
        if (exception != null) {
            if (multiline) {
                sb.append(SEPARATOR);
            }
            if (caught) {
                sb.append(style("CaughtExceptionType")).append(exception.getClass().getCanonicalName());
                sb.append(style("CaughtExceptionMessage")).append(exception.getMessage());
            } else {
                sb.append(style("ExceptionType")).append(exception.getClass().getCanonicalName());
                sb.append(style("ExceptionMessage")).append(exception.getMessage());
            }
            if (showAll || showStackTrace) {
                StringWriter sw = new StringWriter();
                exception.printStackTrace(new PrintWriter(sw));
                sb.append(style("StackTrace")).append(sw.toString());
            }
        }
    }
    if (showAll || showOut) {
        if (exchange.hasOut()) {
            Message out = exchange.getOut();
            if (showAll || showHeaders) {
                if (multiline) {
                    sb.append(SEPARATOR);
                }
                sb.append(style("OutHeaders")).append(sortMap(out.getHeaders()));
            }
            if (showAll || showBodyType) {
                if (multiline) {
                    sb.append(SEPARATOR);
                }
                sb.append(style("OutBodyType")).append(getBodyTypeAsString(out));
            }
            if (showAll || showBody) {
                if (multiline) {
                    sb.append(SEPARATOR);
                }
                String body = getBodyAsString(out);
                if (skipBodyLineSeparator) {
                    body = StringHelper.replaceAll(body, LS, "");
                }
                sb.append(style("OutBody")).append(body);
            }
        } else {
            if (multiline) {
                sb.append(SEPARATOR);
            }
            sb.append(style("Out: null"));
        }
    }
    if (maxChars > 0) {
        StringBuilder answer = new StringBuilder();
        for (String s : sb.toString().split(SEPARATOR)) {
            if (s != null) {
                if (s.length() > maxChars) {
                    s = s.substring(0, maxChars);
                    answer.append(s).append("...");
                } else {
                    answer.append(s);
                }
                if (multiline) {
                    answer.append(LS);
                }
            }
        }
        // switch string buffer
        sb = answer;
    }
    if (multiline) {
        sb.insert(0, "Exchange[");
        sb.append("]");
        return sb.toString();
    } else {
        // get rid of the leading space comma if needed
        if (sb.length() > 0 && sb.charAt(0) == ',' && sb.charAt(1) == ' ') {
            sb.replace(0, 2, "");
        }
        sb.insert(0, "Exchange[");
        sb.append("]");
        return sb.toString();
    }
}

Example 4 with PrintWriter

use of java.io.PrintWriter in project camel by apache.

the class IOHelperTest method write.

private void write(File file, String text) throws Exception {
    PrintWriter out = new PrintWriter(file);
    out.print(text);
    out.close();
}

Example 5 with PrintWriter

use of java.io.PrintWriter in project camel by apache.

the class XmlParserDataFormat method newPrinter.

private XmlNodePrinter newPrinter(OutputStream stream) {
    XmlNodePrinter xmlNodePrinter = new XmlNodePrinter(new PrintWriter(stream));
    xmlNodePrinter.setNamespaceAware(isNamespaceAware());
    return xmlNodePrinter;
}