Example usage for com.google.common.io CharStreams asWriter

Introduction

In this page you can find the example usage for com.google.common.io CharStreams asWriter.

Prototype

public static Writer asWriter(Appendable target) 

Source Link

Document

Returns a Writer that sends all output to the given Appendable target.

Usage

From source file:org.glowroot.local.ui.HttpServerHandler.java

private static FullHttpResponse newHttpResponseWithMessage(HttpResponseStatus status,
        @Nullable String message) {
    // this is an "expected" exception, no need to send back stack trace
    StringBuilder sb = new StringBuilder();
    try {/* w w w  .  java 2 s .c o  m*/
        JsonGenerator jg = jsonFactory.createGenerator(CharStreams.asWriter(sb));
        jg.writeStartObject();
        jg.writeStringField("message", message);
        jg.writeEndObject();
        jg.close();
        return HttpServices.createJsonResponse(sb.toString(), status);
    } catch (IOException f) {
        logger.error(f.getMessage(), f);
        return new DefaultFullHttpResponse(HTTP_1_1, INTERNAL_SERVER_ERROR);
    }
}

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From source file:org.glowroot.ui.TraceCommonService.java

private String toJson(String agentId, Trace.Header header, boolean active, Existence entriesExistence,
        Existence queriesExistence, Existence profileExistence) throws Exception {
    StringBuilder sb = new StringBuilder();
    JsonGenerator jg = jsonFactory.createGenerator(CharStreams.asWriter(sb));
    try {/*  w w  w  . j a  va2  s . c  o m*/
        jg.writeStartObject();
        if (!agentId.isEmpty()) {
            jg.writeStringField("agent", agentDisplayRepository.readFullDisplay(agentId));
        }
        if (active) {
            jg.writeBooleanField("active", active);
        }
        boolean partial = header.getPartial();
        if (partial) {
            jg.writeBooleanField("partial", partial);
        }
        boolean async = header.getAsync();
        if (async) {
            jg.writeBooleanField("async", async);
        }
        jg.writeNumberField("startTime", header.getStartTime());
        jg.writeNumberField("captureTime", header.getCaptureTime());
        jg.writeNumberField("durationNanos", header.getDurationNanos());
        jg.writeStringField("transactionType", header.getTransactionType());
        jg.writeStringField("transactionName", header.getTransactionName());
        jg.writeStringField("headline", header.getHeadline());
        jg.writeStringField("user", header.getUser());
        List<Trace.Attribute> attributes = header.getAttributeList();
        if (!attributes.isEmpty()) {
            jg.writeObjectFieldStart("attributes");
            for (Trace.Attribute attribute : attributes) {
                jg.writeArrayFieldStart(attribute.getName());
                for (String value : attribute.getValueList()) {
                    jg.writeString(value);
                }
                jg.writeEndArray();
            }
            jg.writeEndObject();
        }
        List<Trace.DetailEntry> detailEntries = header.getDetailEntryList();
        if (!detailEntries.isEmpty()) {
            jg.writeFieldName("detail");
            writeDetailEntries(detailEntries, jg);
        }
        List<Proto.StackTraceElement> locationStackTraceElements = header.getLocationStackTraceElementList();
        if (!locationStackTraceElements.isEmpty()) {
            jg.writeArrayFieldStart("locationStackTraceElements");
            for (Proto.StackTraceElement stackTraceElement : locationStackTraceElements) {
                writeStackTraceElement(stackTraceElement, jg);
            }
            jg.writeEndArray();
        }
        if (header.hasError()) {
            jg.writeFieldName("error");
            writeError(header.getError(), jg);
        }
        jg.writeFieldName("mainThreadRootTimer");
        writeTimer(header.getMainThreadRootTimer(), jg);
        jg.writeFieldName("mainThreadStats");
        if (header.hasOldMainThreadStats()) {
            writeOldThreadStats(header.getOldMainThreadStats(), jg);
        } else {
            writeThreadStats(header.getMainThreadStats(), jg);
        }
        if (header.hasAuxThreadRootTimer()) {
            jg.writeFieldName("auxThreadRootTimer");
            writeTimer(header.getAuxThreadRootTimer(), jg);
            jg.writeFieldName("auxThreadStats");
            if (header.hasOldAuxThreadStats()) {
                writeOldThreadStats(header.getOldAuxThreadStats(), jg);
            } else {
                writeThreadStats(header.getAuxThreadStats(), jg);
            }
        }
        jg.writeArrayFieldStart("asyncTimers");
        for (Trace.Timer asyncTimer : header.getAsyncTimerList()) {
            writeTimer(asyncTimer, jg);
        }
        jg.writeEndArray();
        jg.writeNumberField("entryCount", header.getEntryCount());
        boolean entryLimitExceeded = header.getEntryLimitExceeded();
        if (entryLimitExceeded) {
            jg.writeBooleanField("entryLimitExceeded", entryLimitExceeded);
        }
        jg.writeNumberField("queryCount", header.getQueryCount());
        boolean queryLimitExceeded = header.getQueryLimitExceeded();
        if (queryLimitExceeded) {
            jg.writeBooleanField("queryLimitExceeded", queryLimitExceeded);
        }
        jg.writeNumberField("mainThreadProfileSampleCount", header.getMainThreadProfileSampleCount());
        boolean mainThreadProfileSampleLimitExceeded = header.getMainThreadProfileSampleLimitExceeded();
        if (mainThreadProfileSampleLimitExceeded) {
            jg.writeBooleanField("mainThreadProfileSampleLimitExceeded", mainThreadProfileSampleLimitExceeded);
        }
        jg.writeNumberField("auxThreadProfileSampleCount", header.getAuxThreadProfileSampleCount());
        boolean auxThreadProfileSampleLimitExceeded = header.getAuxThreadProfileSampleLimitExceeded();
        if (auxThreadProfileSampleLimitExceeded) {
            jg.writeBooleanField("auxThreadProfileSampleLimitExceeded", auxThreadProfileSampleLimitExceeded);
        }
        jg.writeStringField("entriesExistence", entriesExistence.name().toLowerCase(Locale.ENGLISH));
        jg.writeStringField("queriesExistence", queriesExistence.name().toLowerCase(Locale.ENGLISH));
        jg.writeStringField("profileExistence", profileExistence.name().toLowerCase(Locale.ENGLISH));
        jg.writeEndObject();
    } finally {
        jg.close();
    }
    return sb.toString();
}

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From source file:org.glowroot.local.ui.HttpServerHandler.java

private static FullHttpResponse newHttpResponseWithStackTrace(Exception e, HttpResponseStatus status,
        @Nullable String simplifiedMessage) {
    StringWriter sw = new StringWriter();
    e.printStackTrace(new PrintWriter(sw));
    StringBuilder sb = new StringBuilder();
    try {/*from  ww w  .ja  va  2 s. c  o  m*/
        JsonGenerator jg = jsonFactory.createGenerator(CharStreams.asWriter(sb));
        jg.writeStartObject();
        String message;
        if (simplifiedMessage == null) {
            Throwable cause = e;
            Throwable childCause = cause.getCause();
            while (childCause != null) {
                cause = childCause;
                childCause = cause.getCause();
            }
            message = cause.getMessage();
        } else {
            message = simplifiedMessage;
        }
        jg.writeStringField("message", message);
        jg.writeStringField("stackTrace", sw.toString());
        jg.writeEndObject();
        jg.close();
        return HttpServices.createJsonResponse(sb.toString(), status);
    } catch (IOException f) {
        logger.error(f.getMessage(), f);
        return new DefaultFullHttpResponse(HTTP_1_1, INTERNAL_SERVER_ERROR);
    }
}

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From source file:org.glowroot.ui.TransactionJsonService.java

@GET(path = "/backend/transaction/profile", permission = "agent:transaction:threadProfile")
String getProfile(@BindAgentRollupId String agentRollupId, @BindRequest TransactionProfileRequest request)
        throws Exception {
    AggregateQuery query = toQuery(request, DataKind.PROFILE);
    ProfileCollector profileCollector = transactionCommonService.getMergedProfile(agentRollupId, query,
            request.auxiliary(), request.include(), request.exclude(), request.truncateBranchPercentage());
    MutableProfile profile = profileCollector.getProfile();
    if (profile.isEmpty() && fallBackToLargestAggregates(query)) {
        // fall back to largest aggregates in case expiration settings have recently changed
        query = withLargestRollupLevel(query);
        profileCollector = transactionCommonService.getMergedProfile(agentRollupId, query, request.auxiliary(),
                request.include(), request.exclude(), request.truncateBranchPercentage());
        profile = profileCollector.getProfile();
        if (ignoreFallBackData(query, profileCollector.getLastCaptureTime())) {
            // this is probably data from before the requested time period
            profile = new MutableProfile();
        }//from w  ww.  ja  v  a  2 s .  com
    }
    boolean hasUnfilteredMainThreadProfile;
    boolean hasUnfilteredAuxThreadProfile;
    if (request.auxiliary()) {
        hasUnfilteredMainThreadProfile = transactionCommonService.hasMainThreadProfile(agentRollupId, query);
        hasUnfilteredAuxThreadProfile = profile.getUnfilteredSampleCount() > 0;
    } else {
        if (profile.getUnfilteredSampleCount() == 0) {
            hasUnfilteredMainThreadProfile = false;
            // return and display aux profile instead
            profileCollector = transactionCommonService.getMergedProfile(agentRollupId, query, true,
                    request.include(), request.exclude(), request.truncateBranchPercentage());
            profile = profileCollector.getProfile();
            if (profile.isEmpty() && fallBackToLargestAggregates(query)) {
                // fall back to largest aggregates in case expiration settings have recently
                // changed
                query = withLargestRollupLevel(query);
                profileCollector = transactionCommonService.getMergedProfile(agentRollupId, query,
                        request.auxiliary(), request.include(), request.exclude(),
                        request.truncateBranchPercentage());
                profile = profileCollector.getProfile();
                if (ignoreFallBackData(query, profileCollector.getLastCaptureTime())) {
                    // this is probably data from before the requested time period
                    profile = new MutableProfile();
                }
            }
            hasUnfilteredAuxThreadProfile = profile.getUnfilteredSampleCount() > 0;
        } else {
            hasUnfilteredMainThreadProfile = true;
            hasUnfilteredAuxThreadProfile = transactionCommonService.hasAuxThreadProfile(agentRollupId, query);
        }
    }
    StringBuilder sb = new StringBuilder();
    JsonGenerator jg = mapper.getFactory().createGenerator(CharStreams.asWriter(sb));
    try {
        jg.writeStartObject();
        jg.writeBooleanField("hasUnfilteredMainThreadProfile", hasUnfilteredMainThreadProfile);
        jg.writeBooleanField("hasUnfilteredAuxThreadProfile", hasUnfilteredAuxThreadProfile);
        if (profile.getUnfilteredSampleCount() == 0 && isProfileOverwritten(request, agentRollupId, query)) {
            jg.writeBooleanField("overwritten", true);
        }
        jg.writeFieldName("profile");
        profile.writeJson(jg);
        jg.writeEndObject();
    } finally {
        jg.close();
    }
    return sb.toString();
}

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From source file:org.glowroot.ui.JvmJsonService.java

@GET(path = "/backend/jvm/system-properties", permission = "agent:jvm:systemProperties")
String getSystemProperties(@BindAgentId String agentId) throws Exception {
    checkNotNull(liveJvmService);//from  w w w. j  a v  a2s  .  c  o m
    Map<String, String> properties;
    try {
        properties = liveJvmService.getSystemProperties(agentId);
    } catch (AgentNotConnectedException e) {
        logger.debug(e.getMessage(), e);
        return "{\"agentNotConnected\":true}";
    } catch (AgentUnsupportedOperationException e) {
        // this operation introduced in 0.9.2
        logger.debug(e.getMessage(), e);
        return getAgentUnsupportedOperationResponse(agentId);
    }
    // mask here to provide support in central for agents prior to 0.10.0
    List<String> maskSystemProperties = getJvmMaskSystemProperties(agentId);
    properties = Masking.maskSystemProperties(properties, maskSystemProperties);

    StringBuilder sb = new StringBuilder();
    JsonGenerator jg = mapper.getFactory().createGenerator(CharStreams.asWriter(sb));
    try {
        jg.writeStartObject();
        jg.writeArrayFieldStart("properties");
        for (Map.Entry<String, String> entry : ImmutableSortedMap.copyOf(properties).entrySet()) {
            jg.writeStartObject();
            String propertyName = entry.getKey();
            jg.writeStringField("name", propertyName);
            if (PATH_SEPARATED_SYSTEM_PROPERTIES.contains(propertyName)) {
                jg.writeArrayFieldStart("value");
                for (String item : Splitter.on(File.pathSeparatorChar).splitToList(entry.getValue())) {
                    jg.writeString(item);
                }
                jg.writeEndArray();
            } else {
                jg.writeStringField("value", entry.getValue());
            }
            jg.writeEndObject();
        }
        jg.writeEndArray();
        jg.writeEndObject();
    } finally {
        jg.close();
    }
    return sb.toString();
}

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From source file:org.glowroot.ui.CommonHandler.java

private static CommonResponse newHttpResponseWithMessage(HttpResponseStatus status, @Nullable String message)
        throws IOException {
    // this is an "expected" exception, no need to send back stack trace
    StringBuilder sb = new StringBuilder();
    JsonGenerator jg = mapper.getFactory().createGenerator(CharStreams.asWriter(sb));
    try {/*from  w w w.ja va2 s.co m*/
        jg.writeStartObject();
        jg.writeStringField("message", message);
        jg.writeEndObject();
    } finally {
        jg.close();
    }
    return new CommonResponse(status, MediaType.JSON_UTF_8, sb.toString());
}

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From source file:org.glowroot.ui.CommonHandler.java

private static String getHttpResponseWithStackTrace(Exception e, @Nullable String simplifiedMessage)
        throws IOException {
    StringBuilder stackTrace = new StringBuilder();
    e.printStackTrace(new PrintWriter(CharStreams.asWriter(stackTrace)));
    StringBuilder sb = new StringBuilder();
    JsonGenerator jg = mapper.getFactory().createGenerator(CharStreams.asWriter(sb));
    try {//from   ww  w  .jav a 2 s.  co  m
        jg.writeStartObject();
        String message;
        if (simplifiedMessage == null) {
            message = Throwables.getBestMessage(e);
        } else {
            message = simplifiedMessage;
        }
        jg.writeStringField("message", message);
        jg.writeStringField("stackTrace", stackTrace.toString());
        jg.writeEndObject();
    } finally {
        jg.close();
    }
    return sb.toString();
}

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From source file:org.eclipse.rcptt.ui.launching.ExecutionView.java

private void processThrowableMsg(final int level, StringBuilder buffer, Throwable t) {
    PrintWriter printWriter = new IndentedWriter(CharStreams.asWriter(buffer)) {
        @Override/*from   w  w  w .  j  a v  a  2  s . c om*/
        public void writeIndent() {
            appendTabs(this, level + 1);
        }
    };

    t.printStackTrace(printWriter);
    printWriter.close();

    // StackTraceElement[] trace = t.getStackTrace();
    // for (int i = 0; i < trace.length; i++) {
    // appendTabs(buffer, level + 1);
    //         buffer.append("at "); //$NON-NLS-1$
    // buffer.append(trace[i]);
    // buffer.append(LINE_SEPARATOR);
    // }
    // if (t.getCause() != null) {
    // buffer.append("Caused by: " + t.getCause().getMessage()).append(
    // "\n");
    // processThrowableMsg(level + 1, buffer, t.getCause());
    // }
}

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From source file:org.glowroot.ui.JvmJsonService.java

@GET(path = "/backend/jvm/capabilities", permission = "agent:jvm:capabilities")
String getCapabilities(@BindAgentId String agentId) throws Exception {
    checkNotNull(liveJvmService);//from w w w . j a v  a 2s .  c  om
    Capabilities capabilities;
    try {
        capabilities = liveJvmService.getCapabilities(agentId);
    } catch (AgentNotConnectedException e) {
        logger.debug(e.getMessage(), e);
        return "{\"agentNotConnected\":true}";
    }
    StringBuilder sb = new StringBuilder();
    JsonGenerator jg = mapper.getFactory().createGenerator(CharStreams.asWriter(sb));
    try {
        jg.writeStartObject();
        writeAvailability("threadCpuTime", capabilities.getThreadCpuTime(), jg);
        writeAvailability("threadContentionTime", capabilities.getThreadContentionTime(), jg);
        writeAvailability("threadAllocatedBytes", capabilities.getThreadAllocatedBytes(), jg);
        jg.writeEndObject();
    } finally {
        jg.close();
    }
    return sb.toString();
}

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From source file:org.glowroot.ui.TransactionJsonService.java

@GET(path = "/backend/transaction/summaries", permission = "agent:transaction:overview")
String getSummaries(@BindAgentRollupId String agentRollupId, @BindRequest TransactionSummaryRequest request,
        @BindAutoRefresh boolean autoRefresh) throws Exception {
    SummaryQuery query = ImmutableSummaryQuery.builder().transactionType(request.transactionType())
            .from(request.from()).to(request.to())
            .rollupLevel(//from  w  ww  .  j  a va  2  s  .c  om
                    rollupLevelService.getRollupLevelForView(request.from(), request.to(), DataKind.GENERAL))
            .build();
    OverallSummaryCollector overallSummaryCollector = transactionCommonService.readOverallSummary(agentRollupId,
            query, autoRefresh);
    OverallSummary overallSummary = overallSummaryCollector.getOverallSummary();
    if (overallSummary.transactionCount() == 0 && fallBackToLargestAggregate(query)) {
        // fall back to largest aggregates in case expiration settings have recently changed
        query = withLargestRollupLevel(query);
        overallSummaryCollector = transactionCommonService.readOverallSummary(agentRollupId, query,
                autoRefresh);
        overallSummary = overallSummaryCollector.getOverallSummary();
        if (ignoreFallBackData(query, overallSummaryCollector.getLastCaptureTime())) {
            // this is probably data from before the requested time period
            overallSummary = ImmutableOverallSummary.builder().totalDurationNanos(0).transactionCount(0)
                    .build();
        }
    }
    Result<TransactionNameSummary> queryResult = transactionCommonService.readTransactionNameSummaries(
            agentRollupId, query, request.sortOrder(), request.limit(), autoRefresh);
    StringBuilder sb = new StringBuilder();
    JsonGenerator jg = mapper.getFactory().createGenerator(CharStreams.asWriter(sb));
    try {
        jg.writeStartObject();
        jg.writeObjectField("overall", overallSummary);
        jg.writeObjectField("transactions", queryResult.records());
        jg.writeBooleanField("moreAvailable", queryResult.moreAvailable());
        jg.writeEndObject();
    } finally {
        jg.close();
    }
    return sb.toString();
}

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