ファイルアクセス

000001,2016,1,0000000001,1000000000
000002,2017,2,0000000002,2000000000
000003,2018,3,0000000003,3000000000

public class SalesPlanDetail {

    private String branchId;
    private int year;
    private int month;
    private String customerId;
    private BigDecimal amount;

    // omitted getter/setter
}

<!-- (1) (2) (3) -->
<bean id="reader"
      class="org.springframework.batch.item.file.FlatFileItemReader" scope="step"
      p:resource="file:#{jobParameters[inputFile]}"
      p:encoding="MS932"
      p:strict="true">
  <property name="lineMapper">  <!-- (4) -->
    <bean class="org.springframework.batch.item.file.mapping.DefaultLineMapper">
      <property name="lineTokenizer">  <!-- (5) -->
        <!-- (6) (7) (8) -->
        <bean class="org.springframework.batch.item.file.transform.DelimitedLineTokenizer"
              p:names="branchId,year,month,customerId,amount"
              p:delimiter=","
              p:quoteCharacter='"'/>
      </property>
      <property name="fieldSetMapper">  <!-- (9) -->
        <bean class="org.springframework.batch.item.file.mapping.BeanWrapperFieldSetMapper"
              p:targetType="org.terasoluna.batch.functionaltest.app.model.plan.SalesPlanDetail"/>
      </property>
    </bean>
  </property>
</bean>

001,CustomerName001,CustomerAddress001,11111111111,001
002,CustomerName002,CustomerAddress002,11111111111,002
003,CustomerName003,CustomerAddress003,11111111111,003

public class Customer {

    private String customerId;
    private String customerName;
    private String customerAddress;
    private String customerTel;
    private String chargeBranchId;
    private Timestamp createDate;
    private Timestamp updateDate;

    // omitted getter/setter
}

<!-- Writer -->
<!-- (1) (2) (3) (4) (5) (6) (7) -->
<bean id="writer"
      class="org.springframework.batch.item.file.FlatFileItemWriter" scope="step"
      p:resource="file:#{jobParameters[outputFile]}"
      p:encoding="MS932"
      p:lineSeparator="&#x0A;"
      p:appendAllowed="true"
      p:shouldDeleteIfEmpty="true"
      p:shouldDeleteIfExists="false"
      p:transactional="true">
  <property name="lineAggregator">  <!-- (8) -->
    <bean class="org.springframework.batch.item.file.transform.DelimitedLineAggregator"
          p:delimiter=",">  <!-- (9) -->
      <property name="fieldExtractor">  <!-- (10) -->
        <!-- (11) -->
        <bean class="org.springframework.batch.item.file.transform.BeanWrapperFieldExtractor"
              p:names="customerId,customerName,customerAddress,customerTel,chargeBranchId">
      </property>
    </bean>
  </property>
</bean>

"001","CustomerName""001""","CustomerAddress,001","11111111111","001"
"002","CustomerName""002""","CustomerAddress,002","11111111111","002"
"003","CustomerName""003""","CustomerAddress,003","11111111111","003"

// 上記の例と同様

<property name="lineAggregator">  <!-- (1) -->
  <!-- (2) (3) (4) -->
  <bean class="org.terasoluna.batch.item.file.transform.EnclosableDelimitedLineAggregator"
        p:delimiter=","
        p:enclosure='"'
        p:allEnclosing="true">
      <property name="fieldExtractor">
        <!-- omitted settings -->
      </property>
  </bean>
</property>

売上012016 1   00000011000000000
売上022017 2   00000022000000000
売上032018 3   00000033000000000

売上012016 1   00000011000000000売上022017 2   00000022000000000売上032018 3   00000033000000000

public class SalesPlanDetail {

    private String branchId;
    private int year;
    private int month;
    private String customerId;
    private BigDecimal amount;

    // omitted getter/setter
}

<!-- (1) (2) (3) -->
<bean id="reader"
      class="org.springframework.batch.item.file.FlatFileItemReader" scope="step"
      p:resource="file:#{jobParameters[inputFile]}"
      p:encoding="MS932"
      p:strict="true">
    <property name="bufferedReaderFactory">  <!-- (4) -->
        <bean class="org.springframework.batch.item.file.DefaultBufferedReaderFactory"/>
    </property>
    <property name="lineMapper">  <!-- (5) -->
        <bean class="org.springframework.batch.item.file.mapping.DefaultLineMapper">
            <property name="lineTokenizer">  <!-- (6) -->
                <!-- (7) -->
                <!-- (8) -->
                <!-- (9) -->
                <bean class="org.terasoluna.batch.item.file.transform.FixedByteLengthLineTokenizer"
                      p:names="branchId,year,month,customerId,amount"
                      c:ranges="1-6, 7-10, 11-12, 13-22, 23-32"
                      c:charset="MS932" />
            </property>
            <property name="fieldSetMapper">  <!-- (10) -->
              <bean class="org.springframework.batch.item.file.mapping.BeanWrapperFieldSetMapper"
                    p:targetType="org.terasoluna.batch.functionaltest.app.model.plan.SalesPlanDetail"/>
            </property>
        </bean>
    </property>
</bean>

<property name="bufferedReaderFactory">
    <bean class="org.terasoluna.batch.item.file.FixedByteLengthBufferedReaderFactory"
        c:byteLength="32"/>  <!-- (1) -->

</property>

   0012016 10000000001  10000000
   0022017 20000000002  20000000
   0032018 30000000003  30000000

public class SalesPlanDetail {

    private String branchId;
    private int year;
    private int month;
    private String customerId;
    private BigDecimal amount;

    // omitted getter/setter
}

<!-- Writer -->
<!-- (1) (2) (3) (4) (5) (6) (7) -->
<bean id="writer"
      class="org.springframework.batch.item.file.FlatFileItemWriter" scope="step"
      p:resource="file:#{jobParameters[outputFile]}"
      p:encoding="MS932"
      p:lineSeparator="&#x0A;"
      p:appendAllowed="true"
      p:shouldDeleteIfEmpty="true"
      p:shouldDeleteIfExists="false"
      p:transactional="true">
    <property name="lineAggregator">  <!-- (8) -->
        <bean class="org.springframework.batch.item.file.transform.FormatterLineAggregator"
              p:format="%6s%4s%2s%10s%10s"/>  <!-- (9) -->
            <property name="fieldExtractor">  <!-- (10) -->
              <bean class="org.springframework.batch.item.file.transform.BeanWrapperFieldExtractor"
                    p:names="branchId,year,month,customerId,amount"/>  <!-- (11) -->
            </property>
        </bean>
    </property>
</bean>

   0012016 10000000001  10000000
  番号2017 2 売上高002  20000000
 番号32018 3   売上003  30000000

<property name="lineAggregator">  <!-- (1) -->
    <bean class="org.springframework.batch.item.file.transform.FormatterLineAggregator"
          p:format="%s%4s%2s%s%10s"/>  <!-- (2) -->
        <property name="fieldExtractor">  <!-- (3) -->
            <bean class="org.terasoluna.batch.functionaltest.ch05.fileaccess.plan.SalesPlanFixedLengthFieldExtractor"/>
        </property>
    </bean>
</property>

public class SalesPlanDetail {

    private String branchId;
    private int year;
    private int month;
    private String customerId;
    private BigDecimal amount;

    // omitted getter/setter
}

public class SalesPlanFixedLengthFieldExtractor implements FieldExtractor<SalesPlanDetail> {
    // (1)
    @Override
    public Object[] extract(SalesPlanDetail item) {
        Object[] values = new Object[5];  // (2)

        // (3)
        values[0] = fillUpSpace(item.getBranchId(), 6);  // (4)
        values[1] = item.getYear();
        values[2] = item.getMonth();
        values[3] = fillUpSpace(item.getCustomerId(), 10);  // (4)
        values[4] = item.getAmount();

        return values; // (7)
    }

    // It is a simple impl for example
    private String fillUpSpace(String val, int num) {
        String charsetName = "MS932";
        int len;
        try {
            len = val.getBytes(charsetName).length;  // (5)
        } catch (UnsupportedEncodingException e) {
            // omitted exception handling
        }

        String fillStr = "";
        for (int i = 0; i < (num - len); i++) { // (6)
            fillStr += " ";
        }

        return fillStr + val;
    }
}

Summary1:4,000,000,000
Summary2:5,000,000,000
Summary3:6,000,000,000

<!-- (1) (2) (3) -->
<bean id="reader"
      class="org.springframework.batch.item.file.FlatFileItemReader" scope="step"
      p:resource="file:#{jobParameters[inputFile]}"
      p:encoding="MS932"
      p:strict="true">
    <property name="lineMapper">  <!-- (4) -->
        <bean class="org.springframework.batch.item.file.mapping.PassThroughLineMapper"/>
    </property>
</bean>

Summary1:4,000,000,000
Summary2:5,000,000,000
Summary3:6,000,000,000

<!-- Writer -->
<!-- (1) (2) (3) (4) (5) (6) (7) -->
<bean id="writer"
      class="org.springframework.batch.item.file.FlatFileItemWriter" scope="step"
      p:resource="file:#{jobParameters[outputFile]}"
      p:encoding="MS932"
      p:lineSeparator="&#x0A;"
      p:appendAllowed="true"
      p:shouldDeleteIfEmpty="true"
      p:shouldDeleteIfExists="false"
      p:transactional="true">
    <property name="lineAggregator">  <!-- (8) -->
        <bean class="org.springframework.batch.item.file.transform.PassThroughLineAggregator"/>
    </property>
</bean>

sales_plan_detail_01.csv
sales_plan_detail_02.csv
sales_plan_detail_03.csv

<!-- (1) (2) -->
<bean id="multiResourceReader"
      class="org.springframework.batch.item.file.MultiResourceItemReader"
      scope="step"
      p:resources="file:input/sales_plan_detail_*.csv"
      p:delegate-ref="reader"/>
</bean>

<!-- (3) -->
<bean id="reader"
      class="org.springframework.batch.item.file.FlatFileItemReader">
    <property name="lineMapper">
      <!-- omitted settings -->
    </property>
</bean>

<!-- (1) (2) (3) (4) -->
<bean id="multiResourceItemWriter"
      class="org.springframework.batch.item.file.MultiResourceItemWriter"
      scope="step"
      p:resource="file:#{jobParameters[outputDir]}"
      p:resourceSuffixCreator-ref="customerListResourceSuffixCreator"
      p:delegate-ref="writer"
      p:itemCountLimitPerResource="4"/>
</bean>

<!-- (5) -->
<bean id="writer"
      class="org.springframework.batch.item.file.FlatFileItemWriter">
    <property name="lineAggregator">
        <!-- omitted settings -->
    </property>
</bean>

<bean id="customerListResourceSuffixCreator"
      class="org.terasoluna.batch.functionaltest.ch05.fileaccess.module.CustomerListResourceSuffixCreator"/>  <!-- (6) -->

// (1)
public class CustomerListResourceSuffixCreator implements ResourceSuffixCreator {
    @Override
    public String getSuffix(int index) {
        return String.format("%02d", index) + ".csv";  // (2)
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<records>
    <SalesPlanDetail>
        <branchId>000001</branchId>
        <year>2016</year>
        <month>1</month>
        <customerId>0000000001</customerId>
        <amount>1000000000</amount>
    </SalesPlanDetail>
    <SalesPlanDetail>
        <branchId>000002</branchId>
        <year>2017</year>
        <month>2</month>
        <customerId>0000000002</customerId>
        <amount>2000000000</amount>
    </SalesPlanDetail>
    <SalesPlanDetail>
        <branchId>000003</branchId>
        <year>2018</year>
        <month>3</month>
        <customerId>0000000003</customerId>
        <amount>3000000000</amount>
    </SalesPlanDetail>
</records>

@XmlRootElement(name = "SalesPlanDetail")  // (1)
public class SalesPlanDetailToJaxb {

    private String branchId;
    private int year;
    private int month;
    private String customerId;
    private BigDecimal amount;

    // omitted getter/setter
}

<!-- (1) (2) (3) -->
<bean id="reader"
      class="org.springframework.batch.item.xml.StaxEventItemReader" scope="step"
      p:resource="file:#{jobParameters[inputFile]}"
      p:fragmentRootElementName="SalesPlanDetail"
      p:strict="true">
    <property name="unmarshaller">  <!-- (4) -->
        <!-- (5) (6) -->
        <bean class="org.springframework.oxm.jaxb.Jaxb2Marshaller"
              p:schema="file:files/test/input/ch05/fileaccess/SalesPlanDetail.xsd"
              p:validationEventHandler-ref="salesPlanDetailValidationEventHandler">
            <property name="classesToBeBound">  <!-- (7) -->
                <list>
                    <value>org.terasoluna.batch.functionaltest.ch05.fileaccess.model.plan.SalesPlanDetailToJaxb</value>
                </list>
            </property>
        </bean>
    </property>
</bean>

@Component
// (1)
public class SalesPlanDetailValidationEventHandler implements ValidationEventHandler {
    /**
     * Logger.
     */
    private static final Logger logger =
            LoggerFactory.getLogger(SalesPlanDetailValidationEventHandler.class);

    @Override
    public boolean handleEvent(ValidationEvent event) {
        // (2)
        logger.error("[EVENT [SEVERITY:{}] [MESSAGE:{}] [LINKED EXCEPTION:{}]" +
                " [LOCATOR: [LINE NUMBER:{}] [COLUMN NUMBER:{}] [OFFSET:{}]" +
                " [OBJECT:{}] [NODE:{}] [URL:{}] ] ]",
                event.getSeverity(),
                event.getMessage(),
                event.getLinkedException(),
                event.getLocator().getLineNumber(),
                event.getLocator().getColumnNumber(),
                event.getLocator().getOffset(),
                event.getLocator().getObject(),
                event.getLocator().getNode(),
                event.getLocator().getURL());
        return false;  // (3)
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<records>
  <Customer>
    <customerId>001</customerId>
    <customerName>CustomerName001</customerName>
    <customerAddress>CustomerAddress001</customerAddress>
    <customerTel>11111111111</customerTel>
    <chargeBranchId>001</chargeBranchId></Customer>
  <Customer>
    <customerId>002</customerId>
    <customerName>CustomerName002</customerName>
    <customerAddress>CustomerAddress002</customerAddress>
    <customerTel>11111111111</customerTel>
    <chargeBranchId>002</chargeBranchId></Customer>
  <Customer>
    <customerId>003</customerId>
    <customerName>CustomerName003</customerName>
    <customerAddress>CustomerAddress003</customerAddress>
    <customerTel>11111111111</customerTel>
    <chargeBranchId>003</chargeBranchId>
  </Customer>
</records>

@XmlRootElement(name = "Customer")  // (2)
@XmlType(propOrder={"customerId", "customerName", "customerAddress",
        "customerTel", "chargeBranchId"})  // (2)
public class CustomerToJaxb {

    private String customerId;
    private String customerName;
    private String customerAddress;
    private String customerTel;
    private String chargeBranchId;
    private Timestamp createDate;
    private Timestamp updateDate;

    // omitted getter/setter

    @XmlTransient  // (3)
    public Timestamp getCreateDate() { return createDate; }

    @XmlTransient  // (3)
    public Timestamp getUpdateDate() { return updateDate; }
}

<!-- (1) (2) (3) (4) (5) (6) -->
<bean id="writer"
      class="org.springframework.batch.item.xml.StaxEventItemWriter" scope="step"
      p:resource="file:#{jobParameters[outputFile]}"
      p:encoding="MS932"
      p:rootTagName="records"
      p:overwriteOutput="true"
      p:shouldDeleteIfEmpty="false"
      p:transactional="true">
    <property name="marshaller">  <!-- (7) -->
        <bean class="org.springframework.oxm.jaxb.Jaxb2Marshaller">
            <property name="classesToBeBound">  <!-- (8) -->
                <list>
                    <value>org.terasoluna.batch.functionaltest.ch05.fileaccess.model.mst.CustomerToJaxb</value>
                </list>
            </property>
        </bean>
    </property>
</bean>

H,Sales_plan_detail header No.1
D,000001,2016,1,0000000001,100000000
D,000001,2016,1,0000000002,200000000
D,000001,2016,1,0000000003,300000000
T,000001,3,600000000
H,Sales_plan_detail header No.2
D,00002,2016,1,0000000004,400000000
D,00002,2016,1,0000000005,500000000
D,00002,2016,1,0000000006,600000000
T,00002,3,1500000000
H,Sales_plan_detail header No.3
D,00003,2016,1,0000000007,700000000
D,00003,2016,1,0000000008,800000000
D,00003,2016,1,0000000009,900000000
T,00003,3,2400000000
E,3,9,4500000000

/**
 * Model of record indicator of sales plan detail.
 */
public class SalesPlanDetailMultiLayoutRecord {

    protected String record;

    // omitted getter/setter
}

/**
 * Model of sales plan detail header.
 */
public class SalesPlanDetailHeader extends SalesPlanDetailMultiLayoutRecord {

    private String description;

    // omitted getter/setter
}

/**
 * Model of Sales plan Detail.
 */
public class SalesPlanDetailData extends SalesPlanDetailMultiLayoutRecord {

    private String branchId;
    private int year;
    private int month;
    private String customerId;
    private BigDecimal amount;

    // omitted getter/setter
}

/**
 * Model of Sales plan Detail.
 */
public class SalesPlanDetailTrailer extends SalesPlanDetailMultiLayoutRecord {

    private String branchId;
    private int number;
    private BigDecimal total;

    // omitted getter/setter
}

/**
 * Model of Sales plan Detail.
 */
public class SalesPlanDetailEnd extends SalesPlanDetailMultiLayoutRecord {
    // omitted getter/setter

    private int headNum;
    private int trailerNum;
    private BigDecimal total;

    // omitted getter/setter
}

<!-- (1) -->
<bean id="headerDelimitedLineTokenizer"
      class="org.springframework.batch.item.file.transform.DelimitedLineTokenizer"
      p:names="record,description"/>

<bean id="dataDelimitedLineTokenizer"
      class="org.springframework.batch.item.file.transform.DelimitedLineTokenizer"
      p:names="record,branchId,year,month,customerId,amount"/>

<bean id="trailerDelimitedLineTokenizer"
      class="org.springframework.batch.item.file.transform.DelimitedLineTokenizer"
      p:names="record,branchId,number,total"/>

<bean id="endDelimitedLineTokenizer"
      class="org.springframework.batch.item.file.transform.DelimitedLineTokenizer"
      p:names="record,headNum,trailerNum,total"/>

<!-- (2) -->
<bean id="headerBeanWrapperFieldSetMapper"
      class="org.springframework.batch.item.file.mapping.BeanWrapperFieldSetMapper"
      p:targetType="org.terasoluna.batch.functionaltest.ch05.fileaccess.model.plan.SalesPlanDetailHeader"/>

<bean id="dataBeanWrapperFieldSetMapper"
      class="org.springframework.batch.item.file.mapping.BeanWrapperFieldSetMapper"
      p:targetType="org.terasoluna.batch.functionaltest.ch05.fileaccess.model.plan.SalesPlanDetailData"/>

<bean id="trailerBeanWrapperFieldSetMapper"
      class="org.springframework.batch.item.file.mapping.BeanWrapperFieldSetMapper"
      p:targetType="org.terasoluna.batch.functionaltest.ch05.fileaccess.model.plan.SalesPlanDetailTrailer"/>

<bean id="endBeanWrapperFieldSetMapper"
      class="org.springframework.batch.item.file.mapping.BeanWrapperFieldSetMapper"
      p:targetType="org.terasoluna.batch.functionaltest.ch05.fileaccess.model.plan.SalesPlanDetailEnd"/>

<bean id="reader"
    class="org.springframework.batch.item.file.FlatFileItemReader" scope="step"
    p:resource="file:#{jobParameters[inputFile]}">
    <property name="lineMapper">  <!-- (3) -->
        <bean class="org.springframework.batch.item.file.mapping.PatternMatchingCompositeLineMapper">
            <property name="tokenizers">  <!-- (4) -->
                <map>
                    <entry key="H*" value-ref="headerDelimitedLineTokenizer"/>
                    <entry key="D*" value-ref="dataDelimitedLineTokenizer"/>
                    <entry key="T*" value-ref="trailerDelimitedLineTokenizer"/>
                    <entry key="E*" value-ref="endDelimitedLineTokenizer"/>
                </map>
            </property>
            <property name="fieldSetMappers">  <!-- (5) -->
                <map>
                    <entry key="H*" value-ref="headerBeanWrapperFieldSetMapper"/>
                    <entry key="D*" value-ref="dataBeanWrapperFieldSetMapper"/>
                    <entry key="T*" value-ref="trailerBeanWrapperFieldSetMapper"/>
                    <entry key="E*" value-ref="endBeanWrapperFieldSetMapper"/>
                </map>
            </property>
        </bean>
    </property>
</bean>

H,Sales_plan_detail header No.1
D,000001,2016,1,0000000001,100000000
D,000001,2016,1,0000000002,200000000
D,000001,2016,1,0000000003,300000000
T,000001,3,600000000
H,Sales_plan_detail header No.2
D,00002,2016,1,0000000004,400000000
D,00002,2016,1,0000000005,500000000
D,00002,2016,1,0000000006,600000000
T,00002,3,1500000000
H,Sales_plan_detail header No.3
D,00003,2016,1,0000000007,700000000
D,00003,2016,1,0000000008,800000000
D,00003,2016,1,0000000009,900000000
T,00003,3,2400000000
E,3,9,4500000000

<!-- (1) -->
<bean id="headerDelimitedLineAggregator"
      class="org.springframework.batch.item.file.transform.DelimitedLineAggregator">
    <property name="fieldExtractor">
        <bean class="org.springframework.batch.item.file.transform.BeanWrapperFieldExtractor"
              p:names="record,description"/>
    </property>
</bean>

<bean id="dataDelimitedLineAggregator"
      class="org.springframework.batch.item.file.transform.DelimitedLineAggregator">
    <property name="fieldExtractor">
        <bean class="org.springframework.batch.item.file.transform.BeanWrapperFieldExtractor"
              p:names="record,branchId,year,month,customerId,amount"/>
    </property>
</bean>

<bean id="trailerDelimitedLineAggregator"
      class="org.springframework.batch.item.file.transform.DelimitedLineAggregator">
    <property name="fieldExtractor">
        <bean class="org.springframework.batch.item.file.transform.BeanWrapperFieldExtractor"
              p:names="record,branchId,number,total"/>
    </property>
</bean>

<bean id="endDelimitedLineAggregator"
      class="org.springframework.batch.item.file.transform.DelimitedLineAggregator">
    <property name="fieldExtractor">
        <bean class="org.springframework.batch.item.file.transform.BeanWrapperFieldExtractor"
              p:names="record,headNum,trailerNum,total"/>
    </property>
</bean>


<bean id="writer" class="org.springframework.batch.item.file.FlatFileItemWriter" scope="step"
      p:resource="file:#{jobParameters[outputFile]}"/>
    <property name="lineAggregator">  <!-- (2) -->
        <bean class="org.springframework.batch.item.file.transform.PassThroughLineAggregator"/>
    </property>
</bean>

public class MultiLayoutItemProcessor implements
        ItemProcessor<SalesPlanDetailMultiLayoutRecord, String> {

    // (1)
    @Inject
    @Named("headerDelimitedLineAggregator")
    DelimitedLineAggregator<SalesPlanDetailMultiLayoutRecord> headerDelimitedLineAggregator;

    @Inject
    @Named("dataDelimitedLineAggregator")
    DelimitedLineAggregator<SalesPlanDetailMultiLayoutRecord> dataDelimitedLineAggregator;

    @Inject
    @Named("trailerDelimitedLineAggregator")
    DelimitedLineAggregator<SalesPlanDetailMultiLayoutRecord> trailerDelimitedLineAggregator;

    @Inject
    @Named("endDelimitedLineAggregator")
    DelimitedLineAggregator<SalesPlanDetailMultiLayoutRecord> endDelimitedLineAggregator;

    @Override
    // (2)
    public String process(SalesPlanDetailMultiLayoutRecord item) throws Exception {
        String record = item.getRecord();  // (3)

        switch (record) {  // (4)
        case "H":
            return headerDelimitedLineAggregator.aggregate(item);  // (5)
        case "D":
            return dataDelimitedLineAggregator.aggregate(item);  // (5)
        case "T":
            return trailerDelimitedLineAggregator.aggregate(item);  // (5)
        case "E":
            return endDelimitedLineAggregator.aggregate(item);  // (5)
        default:
            throw new IncorrectRecordClassificationException(
                    "Record classification is incorrect.[value:" + record + "]");
        }
    }
}