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

Example 86 with StringWriter

use of java.io.StringWriter in project storm by apache.

the class JsonSerializer method write.

@Override
public ByteBuffer write(List<Object> data, ByteBuffer buffer) {
    Preconditions.checkArgument(data != null && data.size() == fieldNames.size(), "Invalid schema");
    StringWriter sw = new StringWriter();
    try (JsonGenerator jg = jsonFactory.createGenerator(sw)) {
        jg.writeStartObject();
        for (int i = 0; i < fieldNames.size(); ++i) {
            jg.writeFieldName(fieldNames.get(i));
            jg.writeObject(data.get(i));
        }
        jg.writeEndObject();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    return ByteBuffer.wrap(sw.toString().getBytes(StandardCharsets.UTF_8));
}

Example 87 with StringWriter

use of java.io.StringWriter in project storm by apache.

the class ClusterUtils method stringifyError.

public static String stringifyError(Throwable error) {
    StringWriter result = new StringWriter();
    PrintWriter printWriter = new PrintWriter(result);
    error.printStackTrace(printWriter);
    return result.toString();
}

Example 88 with StringWriter

use of java.io.StringWriter in project hive by apache.

the class TestTaskLogProcessor method toString.

private String toString(Throwable t) {
    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw, false);
    t.printStackTrace(pw);
    pw.close();
    return sw.toString();
}

Example 89 with StringWriter

use of java.io.StringWriter in project hbase by apache.

the class TestMasterStatusServlet method testStatusTemplateWithServers.

@Test
public void testStatusTemplateWithServers() throws IOException {
    setupMockTables();
    List<ServerName> servers = Lists.newArrayList(ServerName.valueOf("rootserver,123,12345"), ServerName.valueOf("metaserver,123,12345"));
    Set<ServerName> deadServers = new HashSet<>(Lists.newArrayList(ServerName.valueOf("badserver,123,12345"), ServerName.valueOf("uglyserver,123,12345")));
    new MasterStatusTmpl().setMetaLocation(ServerName.valueOf("metaserver,123,12345")).setServers(servers).setDeadServers(deadServers).render(new StringWriter(), master);
}

Example 90 with StringWriter

use of java.io.StringWriter in project hbase by apache.

the class MultiThreadedUpdater method mutate.

public void mutate(Table table, Mutation m, long keyBase, byte[] row, byte[] cf, byte[] q, byte[] v) {
    long start = System.currentTimeMillis();
    try {
        m = dataGenerator.beforeMutate(keyBase, m);
        if (m instanceof Increment) {
            table.increment((Increment) m);
        } else if (m instanceof Append) {
            table.append((Append) m);
        } else if (m instanceof Put) {
            table.checkAndPut(row, cf, q, v, (Put) m);
        } else if (m instanceof Delete) {
            table.checkAndDelete(row, cf, q, v, (Delete) m);
        } else {
            throw new IllegalArgumentException("unsupported mutation " + m.getClass().getSimpleName());
        }
        totalOpTimeMs.addAndGet(System.currentTimeMillis() - start);
    } catch (IOException e) {
        failedKeySet.add(keyBase);
        String exceptionInfo;
        if (e instanceof RetriesExhaustedWithDetailsException) {
            RetriesExhaustedWithDetailsException aggEx = (RetriesExhaustedWithDetailsException) e;
            exceptionInfo = aggEx.getExhaustiveDescription();
        } else {
            StringWriter stackWriter = new StringWriter();
            PrintWriter pw = new PrintWriter(stackWriter);
            e.printStackTrace(pw);
            pw.flush();
            exceptionInfo = StringUtils.stringifyException(e);
        }
        LOG.error("Failed to mutate: " + keyBase + " after " + (System.currentTimeMillis() - start) + "ms; region information: " + getRegionDebugInfoSafe(table, m.getRow()) + "; errors: " + exceptionInfo);
    }
}