柯南丶1996 2019-11-27 21:18 采纳率: 0%
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如何用Java解析复杂的xml文件

xml文件是遥感数据的的头文件,希望从中提取时间区域等信息,Java小白,求大佬们教教怎么整
,头文件如下:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE GranuleMetaDataFile SYSTEM "http://ecsinfo.gsfc.nasa.gov/ECSInfo/ecsmetadata/dtds/DPL/ECS/ScienceGranuleMetadata.dtd">
<GranuleMetaDataFile>
    <DTDVersion>1.0</DTDVersion>
    <DataCenterId>EDC</DataCenterId>
    <GranuleURMetaData>
        <GranuleUR>SC:MOD13A2.005:2132545364</GranuleUR>
        <DbID>2132545364</DbID>
        <InsertTime>2014-06-11 02:11:28.496</InsertTime>
        <LastUpdate>2014-06-12 02:11:37.037</LastUpdate>
        <CollectionMetaData>
            <ShortName>MOD13A2</ShortName>
            <VersionID>5</VersionID>
        </CollectionMetaData>
        <DataFiles>
            <DataFileContainer>
                <DistributedFileName>MOD13A2.A2014145.h27v05.005.2014162030850.hdf</DistributedFileName>
                <FileSize>16891955</FileSize>
                <ChecksumType>CKSUM</ChecksumType>
                <Checksum>1091827715</Checksum>
                <ChecksumOrigin>DPLIngst</ChecksumOrigin>
            </DataFileContainer>
        </DataFiles>
        <ECSDataGranule>
            <SizeMBECSDataGranule>16.1094</SizeMBECSDataGranule>
            <ReprocessingPlanned>further update is anticipated</ReprocessingPlanned>
            <ReprocessingActual>reprocessed</ReprocessingActual>
            <LocalGranuleID>MOD13A2.A2014145.h27v05.005.2014162030850.hdf</LocalGranuleID>
            <DayNightFlag>Day</DayNightFlag>
            <ProductionDateTime>2014-06-11 07:08:50.000</ProductionDateTime>
            <LocalVersionID>5.2.2</LocalVersionID>
        </ECSDataGranule>
        <PGEVersionClass>
            <PGEVersion>5.2.7</PGEVersion>
        </PGEVersionClass>
        <RangeDateTime>
            <RangeEndingTime>23:59:59.000000</RangeEndingTime>
            <RangeEndingDate>2014-06-09</RangeEndingDate>
            <RangeBeginningTime>00:00:00.000000</RangeBeginningTime>
            <RangeBeginningDate>2014-05-25</RangeBeginningDate>
        </RangeDateTime>
        <SpatialDomainContainer>
            <HorizontalSpatialDomainContainer>
                <GPolygon>
                    <Boundary>
                        <Point>
                            <PointLongitude>103.700805509875</PointLongitude>
                            <PointLatitude>29.9063240058583</PointLatitude>
                        </Point>
                        <Point>
                            <PointLongitude>117.356422833073</PointLongitude>
                            <PointLatitude>40.0849484191919</PointLatitude>
                        </Point>
                        <Point>
                            <PointLongitude>130.564483119946</PointLongitude>
                            <PointLatitude>39.998491208368</PointLatitude>
                        </Point>
                        <Point>
                            <PointLongitude>115.388076442344</PointLongitude>
                            <PointLatitude>29.8298156547937</PointLatitude>
                        </Point>
                    </Boundary>
                </GPolygon>
            </HorizontalSpatialDomainContainer>
        </SpatialDomainContainer>
        <MeasuredParameter>
            <MeasuredParameterContainer>
                <ParameterName>1 km 16 days NDVI</ParameterName>
                <QAStats>
                    <QAPercentMissingData>0</QAPercentMissingData>
                    <QAPercentOutofBoundsData>0</QAPercentOutofBoundsData>
                    <QAPercentInterpolatedData>100</QAPercentInterpolatedData>
                    <QAPercentCloudCover>2</QAPercentCloudCover>
                </QAStats>
                <QAFlags>
                    <AutomaticQualityFlag>Passed</AutomaticQualityFlag>
                    <AutomaticQualityFlagExplanation>No automatic quality assessment is performed in the PGE</AutomaticQualityFlagExplanation>
                    <OperationalQualityFlag>Passed</OperationalQualityFlag>
                    <OperationalQualityFlagExplanation>Passed</OperationalQualityFlagExplanation>
                    <ScienceQualityFlag>Inferred Passed</ScienceQualityFlag>
                    <ScienceQualityFlagExplanation>http://landweb.nascom.nasa.gov/cgi-bin/QA_WWW/detailInfo.cgi?prod_id=MOD13A2&amp;ver=C5.2014-06-12 02:11</ScienceQualityFlagExplanation>
                </QAFlags>
            </MeasuredParameterContainer>
            <MeasuredParameterContainer>
                <ParameterName>1 km 16 days EVI</ParameterName>
                <QAStats>
                    <QAPercentMissingData>0</QAPercentMissingData>
                    <QAPercentOutofBoundsData>0</QAPercentOutofBoundsData>
                    <QAPercentInterpolatedData>100</QAPercentInterpolatedData>
                    <QAPercentCloudCover>2</QAPercentCloudCover>
                </QAStats>
                <QAFlags>
                    <AutomaticQualityFlag>Passed</AutomaticQualityFlag>
                    <AutomaticQualityFlagExplanation>No automatic quality assessment is performed in the PGE</AutomaticQualityFlagExplanation>
                    <ScienceQualityFlag>Inferred Passed</ScienceQualityFlag>
                    <ScienceQualityFlagExplanation>http://landweb.nascom.nasa.gov/cgi-bin/QA_WWW/detailInfo.cgi?prod_id=MOD13A2&amp;ver=C5.2014-06-12 02:11</ScienceQualityFlagExplanation>
                </QAFlags>
            </MeasuredParameterContainer>
            <MeasuredParameterContainer>
                <ParameterName>1 km 16 days VI Quality</ParameterName>
                <QAStats>
                    <QAPercentMissingData>0</QAPercentMissingData>
                    <QAPercentOutofBoundsData>0</QAPercentOutofBoundsData>
                    <QAPercentInterpolatedData>100</QAPercentInterpolatedData>
                    <QAPercentCloudCover>2</QAPercentCloudCover>
                </QAStats>
                <QAFlags>
                    <AutomaticQualityFlag>Passed</AutomaticQualityFlag>
                    <AutomaticQualityFlagExplanation>No automatic quality assessment is performed in the PGE</AutomaticQualityFlagExplanation>
                    <ScienceQualityFlag>Inferred Passed</ScienceQualityFlag>
                    <ScienceQualityFlagExplanation>http://landweb.nascom.nasa.gov/cgi-bin/QA_WWW/detailInfo.cgi?prod_id=MOD13A2&amp;ver=C5.2014-06-12 02:11</ScienceQualityFlagExplanation>
                </QAFlags>
            </MeasuredParameterContainer>
            <MeasuredParameterContainer>
                <ParameterName>1 km 16 days red reflectance</ParameterName>
                <QAStats>
                    <QAPercentMissingData>0</QAPercentMissingData>
                    <QAPercentOutofBoundsData>0</QAPercentOutofBoundsData>
                    <QAPercentInterpolatedData>100</QAPercentInterpolatedData>
                    <QAPercentCloudCover>2</QAPercentCloudCover>
                </QAStats>
                <QAFlags>
                    <AutomaticQualityFlag>Passed</AutomaticQualityFlag>
                    <AutomaticQualityFlagExplanation>No automatic quality assessment is performed in the PGE</AutomaticQualityFlagExplanation>
                    <ScienceQualityFlag>Inferred Passed</ScienceQualityFlag>
                    <ScienceQualityFlagExplanation>http://landweb.nascom.nasa.gov/cgi-bin/QA_WWW/detailInfo.cgi?prod_id=MOD13A2&amp;ver=C5.2014-06-12 02:11</ScienceQualityFlagExplanation>
                </QAFlags>
            </MeasuredParameterContainer>
            <MeasuredParameterContainer>
                <ParameterName>1 km 16 days NIR reflectance</ParameterName>
                <QAStats>
                    <QAPercentMissingData>0</QAPercentMissingData>
                    <QAPercentOutofBoundsData>0</QAPercentOutofBoundsData>
                    <QAPercentInterpolatedData>100</QAPercentInterpolatedData>
                    <QAPercentCloudCover>2</QAPercentCloudCover>
                </QAStats>
                <QAFlags>
                    <AutomaticQualityFlag>Passed</AutomaticQualityFlag>
                    <AutomaticQualityFlagExplanation>No automatic quality assessment is performed in the PGE</AutomaticQualityFlagExplanation>
                    <ScienceQualityFlag>Inferred Passed</ScienceQualityFlag>
                    <ScienceQualityFlagExplanation>http://landweb.nascom.nasa.gov/cgi-bin/QA_WWW/detailInfo.cgi?prod_id=MOD13A2&amp;ver=C5.2014-06-12 02:11</ScienceQualityFlagExplanation>
                </QAFlags>
            </MeasuredParameterContainer>
            <MeasuredParameterContainer>
                <ParameterName>1 km 16 days blue reflectance</ParameterName>
                <QAStats>
                    <QAPercentMissingData>0</QAPercentMissingData>
                    <QAPercentOutofBoundsData>0</QAPercentOutofBoundsData>
                    <QAPercentInterpolatedData>100</QAPercentInterpolatedData>
                    <QAPercentCloudCover>2</QAPercentCloudCover>
                </QAStats>
                <QAFlags>
                    <AutomaticQualityFlag>Passed</AutomaticQualityFlag>
                    <AutomaticQualityFlagExplanation>No automatic quality assessment is performed in the PGE</AutomaticQualityFlagExplanation>
                    <ScienceQualityFlag>Inferred Passed</ScienceQualityFlag>
                    <ScienceQualityFlagExplanation>http://landweb.nascom.nasa.gov/cgi-bin/QA_WWW/detailInfo.cgi?prod_id=MOD13A2&amp;ver=C5.2014-06-12 02:11</ScienceQualityFlagExplanation>
                </QAFlags>
            </MeasuredParameterContainer>
            <MeasuredParameterContainer>
                <ParameterName>1 km 16 days MIR reflectance</ParameterName>
                <QAStats>
                    <QAPercentMissingData>0</QAPercentMissingData>
                    <QAPercentOutofBoundsData>0</QAPercentOutofBoundsData>
                    <QAPercentInterpolatedData>100</QAPercentInterpolatedData>
                    <QAPercentCloudCover>2</QAPercentCloudCover>
                </QAStats>
                <QAFlags>
                    <AutomaticQualityFlag>Passed</AutomaticQualityFlag>
                    <AutomaticQualityFlagExplanation>No automatic quality assessment is performed in the PGE</AutomaticQualityFlagExplanation>
                    <ScienceQualityFlag>Inferred Passed</ScienceQualityFlag>
                    <ScienceQualityFlagExplanation>http://landweb.nascom.nasa.gov/cgi-bin/QA_WWW/detailInfo.cgi?prod_id=MOD13A2&amp;ver=C5.2014-06-12 02:11</ScienceQualityFlagExplanation>
                </QAFlags>
            </MeasuredParameterContainer>
            <MeasuredParameterContainer>
                <ParameterName>1 km 16 days view zenith angle</ParameterName>
                <QAStats>
                    <QAPercentMissingData>0</QAPercentMissingData>
                    <QAPercentOutofBoundsData>0</QAPercentOutofBoundsData>
                    <QAPercentInterpolatedData>100</QAPercentInterpolatedData>
                    <QAPercentCloudCover>2</QAPercentCloudCover>
                </QAStats>
                <QAFlags>
                    <AutomaticQualityFlag>Passed</AutomaticQualityFlag>
                    <AutomaticQualityFlagExplanation>No automatic quality assessment is performed in the PGE</AutomaticQualityFlagExplanation>
                    <ScienceQualityFlag>Inferred Passed</ScienceQualityFlag>
                    <ScienceQualityFlagExplanation>http://landweb.nascom.nasa.gov/cgi-bin/QA_WWW/detailInfo.cgi?prod_id=MOD13A2&amp;ver=C5.2014-06-12 02:11</ScienceQualityFlagExplanation>
                </QAFlags>
            </MeasuredParameterContainer>
            <MeasuredParameterContainer>
                <ParameterName>1 km 16 days sun zenith angle</ParameterName>
                <QAStats>
                    <QAPercentMissingData>0</QAPercentMissingData>
                    <QAPercentOutofBoundsData>0</QAPercentOutofBoundsData>
                    <QAPercentInterpolatedData>100</QAPercentInterpolatedData>
                    <QAPercentCloudCover>2</QAPercentCloudCover>
                </QAStats>
                <QAFlags>
                    <AutomaticQualityFlag>Passed</AutomaticQualityFlag>
                    <AutomaticQualityFlagExplanation>No automatic quality assessment is performed in the PGE</AutomaticQualityFlagExplanation>
                    <ScienceQualityFlag>Inferred Passed</ScienceQualityFlag>
                    <ScienceQualityFlagExplanation>http://landweb.nascom.nasa.gov/cgi-bin/QA_WWW/detailInfo.cgi?prod_id=MOD13A2&amp;ver=C5.2014-06-12 02:11</ScienceQualityFlagExplanation>
                </QAFlags>
            </MeasuredParameterContainer>
            <MeasuredParameterContainer>
                <ParameterName>1 km 16 days relative azimuth angle</ParameterName>
                <QAStats>
                    <QAPercentMissingData>0</QAPercentMissingData>
                    <QAPercentOutofBoundsData>0</QAPercentOutofBoundsData>
                    <QAPercentInterpolatedData>100</QAPercentInterpolatedData>
                    <QAPercentCloudCover>2</QAPercentCloudCover>
                </QAStats>
                <QAFlags>
                    <AutomaticQualityFlag>Passed</AutomaticQualityFlag>
                    <AutomaticQualityFlagExplanation>No automatic quality assessment is performed in the PGE</AutomaticQualityFlagExplanation>
                    <ScienceQualityFlag>Inferred Passed</ScienceQualityFlag>
                    <ScienceQualityFlagExplanation>http://landweb.nascom.nasa.gov/cgi-bin/QA_WWW/detailInfo.cgi?prod_id=MOD13A2&amp;ver=C5.2014-06-12 02:11</ScienceQualityFlagExplanation>
                </QAFlags>
            </MeasuredParameterContainer>
            <MeasuredParameterContainer>
                <ParameterName>1 km 16 days composite day of the year</ParameterName>
                <QAStats>
                    <QAPercentMissingData>0</QAPercentMissingData>
                    <QAPercentOutofBoundsData>0</QAPercentOutofBoundsData>
                    <QAPercentInterpolatedData>100</QAPercentInterpolatedData>
                    <QAPercentCloudCover>2</QAPercentCloudCover>
                </QAStats>
                <QAFlags>
                    <AutomaticQualityFlag>Passed</AutomaticQualityFlag>
                    <AutomaticQualityFlagExplanation>No automatic quality assessment is performed in the PGE</AutomaticQualityFlagExplanation>
                    <ScienceQualityFlag>Inferred Passed</ScienceQualityFlag>
                    <ScienceQualityFlagExplanation>http://landweb.nascom.nasa.gov/cgi-bin/QA_WWW/detailInfo.cgi?prod_id=MOD13A2&amp;ver=C5.2014-06-12 02:11</ScienceQualityFlagExplanation>
                </QAFlags>
            </MeasuredParameterContainer>
            <MeasuredParameterContainer>
                <ParameterName>1 km 16 days pixel reliability</ParameterName>
                <QAStats>
                    <QAPercentMissingData>0</QAPercentMissingData>
                    <QAPercentOutofBoundsData>0</QAPercentOutofBoundsData>
                    <QAPercentInterpolatedData>100</QAPercentInterpolatedData>
                    <QAPercentCloudCover>2</QAPercentCloudCover>
                </QAStats>
                <QAFlags>
                    <AutomaticQualityFlag>Passed</AutomaticQualityFlag>
                    <AutomaticQualityFlagExplanation>No automatic quality assessment is performed in the PGE</AutomaticQualityFlagExplanation>
                    <ScienceQualityFlag>Inferred Passed</ScienceQualityFlag>
                    <ScienceQualityFlagExplanation>http://landweb.nascom.nasa.gov/cgi-bin/QA_WWW/detailInfo.cgi?prod_id=MOD13A2&amp;ver=C5.2014-06-12 02:11</ScienceQualityFlagExplanation>
                </QAFlags>
            </MeasuredParameterContainer>
        </MeasuredParameter>
        <Platform>
            <PlatformShortName>Terra</PlatformShortName>
            <Instrument>
                <InstrumentShortName>MODIS</InstrumentShortName>
                <Sensor>
                    <SensorShortName>MODIS</SensorShortName>
                </Sensor>
            </Instrument>
        </Platform>
        <PSAs>
            <PSA>
                <PSAName>QAPERCENTGOODQUALITY</PSAName>
                <PSAValue>57</PSAValue>
            </PSA>
            <PSA>
                <PSAName>QAPERCENTOTHERQUALITY</PSAName>
                <PSAValue>43</PSAValue>
            </PSA>
            <PSA>
                <PSAName>QAPERCENTNOTPRODUCEDCLOUD</PSAName>
                <PSAValue>0</PSAValue>
            </PSA>
            <PSA>
                <PSAName>QAPERCENTNOTPRODUCEDOTHER</PSAName>
                <PSAValue>0</PSAValue>
            </PSA>
            <PSA>
                <PSAName>NDVI1KM16DAYQCLASSPERCENTAGE</PSAName>
                <PSAValue>0</PSAValue>
            </PSA>
            <PSA>
                <PSAName>EVI1KM16DAYQCLASSPERCENTAGE</PSAName>
                <PSAValue>0</PSAValue>
            </PSA>
            <PSA>
                <PSAName>HORIZONTALTILENUMBER</PSAName>
                <PSAValue>27</PSAValue>
            </PSA>
            <PSA>
                <PSAName>VERTICALTILENUMBER</PSAName>
                <PSAValue>05</PSAValue>
            </PSA>
            <PSA>
                <PSAName>TileID</PSAName>
                <PSAValue>51027005</PSAValue>
            </PSA>
        </PSAs>
        <InputGranule>
            <InputPointer>MODAGAGG.A2014145.h27v05.005.2014147020023.hdf</InputPointer>
            <InputPointer>MODAGAGG.A2014146.h27v05.005.2014148040040.hdf</InputPointer>
            <InputPointer>MODAGAGG.A2014147.h27v05.005.2014148191855.hdf</InputPointer>
            <InputPointer>MODAGAGG.A2014148.h27v05.005.2014150002959.hdf</InputPointer>
            <InputPointer>MODAGAGG.A2014149.h27v05.005.2014151014416.hdf</InputPointer>
            <InputPointer>MODAGAGG.A2014150.h27v05.005.2014152015220.hdf</InputPointer>
            <InputPointer>MODAGAGG.A2014151.h27v05.005.2014152142901.hdf</InputPointer>
            <InputPointer>MODAGAGG.A2014152.h27v05.005.2014154031330.hdf</InputPointer>
            <InputPointer>MODAGAGG.A2014153.h27v05.005.2014155023253.hdf</InputPointer>
            <InputPointer>MODAGAGG.A2014154.h27v05.005.2014156015817.hdf</InputPointer>
            <InputPointer>MODAGAGG.A2014155.h27v05.005.2014157021913.hdf</InputPointer>
            <InputPointer>MODAGAGG.A2014156.h27v05.005.2014158022626.hdf</InputPointer>
            <InputPointer>MODAGAGG.A2014157.h27v05.005.2014159020319.hdf</InputPointer>
            <InputPointer>MODAGAGG.A2014158.h27v05.005.2014160022748.hdf</InputPointer>
            <InputPointer>MODAGAGG.A2014159.h27v05.005.2014161023954.hdf</InputPointer>
            <InputPointer>MODAGAGG.A2014160.h27v05.005.2014162014912.hdf</InputPointer>
        </InputGranule>
        <BrowseProduct>
            <BrowseGranuleId>UR:10:DsShESDTUR:UR:15:DsShSciServerUR:13:[EDC:DSSDSRV]:24:BR:Browse.001:2132545365</BrowseGranuleId>
        </BrowseProduct>
    </GranuleURMetaData>
</GranuleMetaDataFile>
  • 写回答

2条回答 默认 最新

  • Json-Huang 2019-11-27 22:09
    关注

    一般需要先根据xml先定义对应的实体类,然后解析xml文件,比如通过DOM方式,下面的列举了几种实现,可以参考下:
    https://blog.csdn.net/zflovecf/article/details/78908788

    评论

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