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

Example 76 with StringWriter

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

the class TestGetAndPutResource method testMultiCellGetPutXML.

@Test
public void testMultiCellGetPutXML() throws IOException, JAXBException {
    // deliberate nonexistent row
    String path = "/" + TABLE + "/fakerow";
    CellSetModel cellSetModel = new CellSetModel();
    RowModel rowModel = new RowModel(ROW_1);
    rowModel.addCell(new CellModel(Bytes.toBytes(COLUMN_1), Bytes.toBytes(VALUE_1)));
    rowModel.addCell(new CellModel(Bytes.toBytes(COLUMN_2), Bytes.toBytes(VALUE_2)));
    cellSetModel.addRow(rowModel);
    rowModel = new RowModel(ROW_2);
    rowModel.addCell(new CellModel(Bytes.toBytes(COLUMN_1), Bytes.toBytes(VALUE_3)));
    rowModel.addCell(new CellModel(Bytes.toBytes(COLUMN_2), Bytes.toBytes(VALUE_4)));
    cellSetModel.addRow(rowModel);
    StringWriter writer = new StringWriter();
    xmlMarshaller.marshal(cellSetModel, writer);
    Response response = client.put(path, Constants.MIMETYPE_XML, Bytes.toBytes(writer.toString()));
    Thread.yield();
    // make sure the fake row was not actually created
    response = client.get(path, Constants.MIMETYPE_XML);
    assertEquals(response.getCode(), 404);
    // check that all of the values were created
    checkValueXML(TABLE, ROW_1, COLUMN_1, VALUE_1);
    checkValueXML(TABLE, ROW_1, COLUMN_2, VALUE_2);
    checkValueXML(TABLE, ROW_2, COLUMN_1, VALUE_3);
    checkValueXML(TABLE, ROW_2, COLUMN_2, VALUE_4);
    response = deleteRow(TABLE, ROW_1);
    assertEquals(response.getCode(), 200);
    response = deleteRow(TABLE, ROW_2);
    assertEquals(response.getCode(), 200);
}

Example 77 with StringWriter

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

the class RowResourceBase method checkAndDeleteXML.

protected static Response checkAndDeleteXML(String url, String table, String row, String column, String valueToCheck, HashMap<String, String> cellsToDelete) throws IOException, JAXBException {
    RowModel rowModel = new RowModel(row);
    if (cellsToDelete != null) {
        for (Map.Entry<String, String> entry : cellsToDelete.entrySet()) {
            rowModel.addCell(new CellModel(Bytes.toBytes(entry.getKey()), Bytes.toBytes(entry.getValue())));
        }
    }
    // Add this at the end
    rowModel.addCell(new CellModel(Bytes.toBytes(column), Bytes.toBytes(valueToCheck)));
    CellSetModel cellSetModel = new CellSetModel();
    cellSetModel.addRow(rowModel);
    StringWriter writer = new StringWriter();
    xmlMarshaller.marshal(cellSetModel, writer);
    Response response = client.put(url, Constants.MIMETYPE_XML, Bytes.toBytes(writer.toString()));
    Thread.yield();
    return response;
}

Example 78 with StringWriter

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

the class RowResourceBase method putValueXML.

protected static Response putValueXML(String url, String table, String row, String column, String value) throws IOException, JAXBException {
    RowModel rowModel = new RowModel(row);
    rowModel.addCell(new CellModel(Bytes.toBytes(column), Bytes.toBytes(value)));
    CellSetModel cellSetModel = new CellSetModel();
    cellSetModel.addRow(rowModel);
    StringWriter writer = new StringWriter();
    xmlMarshaller.marshal(cellSetModel, writer);
    Response response = client.put(url, Constants.MIMETYPE_XML, Bytes.toBytes(writer.toString()));
    Thread.yield();
    return response;
}

Example 79 with StringWriter

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

the class HBaseFsck method printUsageAndExit.

protected HBaseFsck printUsageAndExit() {
    StringWriter sw = new StringWriter(2048);
    PrintWriter out = new PrintWriter(sw);
    out.println("Usage: fsck [opts] {only tables}");
    out.println(" where [opts] are:");
    out.println("   -help Display help options (this)");
    out.println("   -details Display full report of all regions.");
    out.println("   -timelag <timeInSeconds>  Process only regions that " + " have not experienced any metadata updates in the last " + " <timeInSeconds> seconds.");
    out.println("   -sleepBeforeRerun <timeInSeconds> Sleep this many seconds" + " before checking if the fix worked if run with -fix");
    out.println("   -summary Print only summary of the tables and status.");
    out.println("   -metaonly Only check the state of the hbase:meta table.");
    out.println("   -sidelineDir <hdfs://> HDFS path to backup existing meta.");
    out.println("   -boundaries Verify that regions boundaries are the same between META and store files.");
    out.println("   -exclusive Abort if another hbck is exclusive or fixing.");
    out.println("");
    out.println("  Metadata Repair options: (expert features, use with caution!)");
    out.println("   -fix              Try to fix region assignments.  This is for backwards compatiblity");
    out.println("   -fixAssignments   Try to fix region assignments.  Replaces the old -fix");
    out.println("   -fixMeta          Try to fix meta problems.  This assumes HDFS region info is good.");
    out.println("   -noHdfsChecking   Don't load/check region info from HDFS." + " Assumes hbase:meta region info is good. Won't check/fix any HDFS issue, e.g. hole, orphan, or overlap");
    out.println("   -fixHdfsHoles     Try to fix region holes in hdfs.");
    out.println("   -fixHdfsOrphans   Try to fix region dirs with no .regioninfo file in hdfs");
    out.println("   -fixTableOrphans  Try to fix table dirs with no .tableinfo file in hdfs (online mode only)");
    out.println("   -fixHdfsOverlaps  Try to fix region overlaps in hdfs.");
    out.println("   -fixVersionFile   Try to fix missing hbase.version file in hdfs.");
    out.println("   -maxMerge <n>     When fixing region overlaps, allow at most <n> regions to merge. (n=" + DEFAULT_MAX_MERGE + " by default)");
    out.println("   -sidelineBigOverlaps  When fixing region overlaps, allow to sideline big overlaps");
    out.println("   -maxOverlapsToSideline <n>  When fixing region overlaps, allow at most <n> regions to sideline per group. (n=" + DEFAULT_OVERLAPS_TO_SIDELINE + " by default)");
    out.println("   -fixSplitParents  Try to force offline split parents to be online.");
    out.println("   -removeParents    Try to offline and sideline lingering parents and keep daughter regions.");
    out.println("   -ignorePreCheckPermission  ignore filesystem permission pre-check");
    out.println("   -fixReferenceFiles  Try to offline lingering reference store files");
    out.println("   -fixHFileLinks  Try to offline lingering HFileLinks");
    out.println("   -fixEmptyMetaCells  Try to fix hbase:meta entries not referencing any region" + " (empty REGIONINFO_QUALIFIER rows)");
    out.println("");
    out.println("  Datafile Repair options: (expert features, use with caution!)");
    out.println("   -checkCorruptHFiles     Check all Hfiles by opening them to make sure they are valid");
    out.println("   -sidelineCorruptHFiles  Quarantine corrupted HFiles.  implies -checkCorruptHFiles");
    out.println("");
    out.println("  Metadata Repair shortcuts");
    out.println("   -repair           Shortcut for -fixAssignments -fixMeta -fixHdfsHoles " + "-fixHdfsOrphans -fixHdfsOverlaps -fixVersionFile -sidelineBigOverlaps -fixReferenceFiles" + "-fixHFileLinks");
    out.println("   -repairHoles      Shortcut for -fixAssignments -fixMeta -fixHdfsHoles");
    out.println("");
    out.println(" Replication options");
    out.println("   -fixReplication   Deletes replication queues for removed peers");
    out.flush();
    errors.reportError(ERROR_CODE.WRONG_USAGE, sw.toString());
    setRetCode(-2);
    return this;
}

Example 80 with StringWriter

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

the class JSONBean method dumpRegionServerMetrics.

/**
   * Dump out a subset of regionserver mbeans only, not all of them, as json on System.out.
   * @throws MalformedObjectNameException
   * @throws IOException
   */
public static String dumpRegionServerMetrics() throws MalformedObjectNameException, IOException {
    // Guess this size
    StringWriter sw = new StringWriter(1024 * 100);
    try (PrintWriter writer = new PrintWriter(sw)) {
        JSONBean dumper = new JSONBean();
        try (JSONBean.Writer jsonBeanWriter = dumper.open(writer)) {
            MBeanServer mbeanServer = ManagementFactory.getPlatformMBeanServer();
            jsonBeanWriter.write(mbeanServer, new ObjectName("java.lang:type=Memory"), null, false);
            jsonBeanWriter.write(mbeanServer, new ObjectName("Hadoop:service=HBase,name=RegionServer,sub=IPC"), null, false);
            jsonBeanWriter.write(mbeanServer, new ObjectName("Hadoop:service=HBase,name=RegionServer,sub=Replication"), null, false);
            jsonBeanWriter.write(mbeanServer, new ObjectName("Hadoop:service=HBase,name=RegionServer,sub=Server"), null, false);
        }
    }
    sw.close();
    return sw.toString();
}