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Fix default value of comment prefix in FlatFileItemReaderBuilder

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Before this commit, the default value of comment prefix in
FlatFileItemReaderBuilder was not consistent with the one in
FlatFileItemReader.

This commit changes the default value of comment prefix to # in
the builder to be consistent with the reader.

Resolves BATCH-2862
This commit is contained in:
Mahmoud Ben Hassine
2019-11-28 15:08:34 +01:00
parent e5855c7e6b
commit 38b43e8aaf
3 changed files with 13 additions and 7 deletions
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7
spring-batch-infrastructure/src/main/java/org/springframework/batch/item/file/FlatFileItemReader.java
View File

@@ -41,6 +41,7 @@ import org.springframework.util.StringUtils;
* about the problematic line and its line number.
*
* @author Robert Kasanicky
* @author Mahmoud Ben Hassine
*/
public class FlatFileItemReader<T> extends AbstractItemCountingItemStreamItemReader<T> implements
ResourceAwareItemReaderItemStream<T>, InitializingBean {
@@ -50,6 +51,8 @@ public class FlatFileItemReader<T> extends AbstractItemCountingItemStreamItemRea
// default encoding for input files
public static final String DEFAULT_CHARSET = Charset.defaultCharset().name();
public static final String[] DEFAULT_COMMENT_PREFIXES = new String[] { "#" };
private RecordSeparatorPolicy recordSeparatorPolicy = new SimpleRecordSeparatorPolicy();
private Resource resource;
@@ -58,7 +61,7 @@ public class FlatFileItemReader<T> extends AbstractItemCountingItemStreamItemRea
private int lineCount = 0;
private String[] comments = new String[] { "#" };
private String[] comments = DEFAULT_COMMENT_PREFIXES;
private boolean noInput = false;
@@ -134,7 +137,7 @@ public class FlatFileItemReader<T> extends AbstractItemCountingItemStreamItemRea
/**
* Setter for comment prefixes. Can be used to ignore header lines as well by using e.g. the first couple of column
* names as a prefix.
* names as a prefix. Defaults to {@link #DEFAULT_COMMENT_PREFIXES}.
*
* @param comments an array of comment line prefixes.
*/

11
spring-batch-infrastructure/src/main/java/org/springframework/batch/item/file/builder/FlatFileItemReaderBuilder.java
View File

@@ -76,7 +76,8 @@ public class FlatFileItemReaderBuilder<T> {
private Resource resource;
private List<String> comments = new ArrayList<>();
private List<String> comments =
new ArrayList<>(Arrays.asList(FlatFileItemReader.DEFAULT_COMMENT_PREFIXES));
private int linesToSkip = 0;
@@ -171,6 +172,7 @@ public class FlatFileItemReaderBuilder<T> {
/**
* Add a string to the list of Strings that indicate commented lines.
* Defaults to {@link FlatFileItemReader#DEFAULT_COMMENT_PREFIXES}.
*
* @param comment the string to define a commented line.
* @return The current instance of the builder.
@@ -182,15 +184,16 @@ public class FlatFileItemReaderBuilder<T> {
}
/**
* An array of Strings that indicate lines that are comments (and therefore skipped by
* the reader.
* Set an array of Strings that indicate lines that are comments (and therefore skipped by
* the reader). This method overrides the default comment prefixes which are
* {@link FlatFileItemReader#DEFAULT_COMMENT_PREFIXES}.
*
* @param comments an array of strings to identify comments.
* @return The current instance of the builder.
* @see FlatFileItemReader#setComments(String[])
*/
public FlatFileItemReaderBuilder<T> comments(String... comments) {
this.comments.addAll(Arrays.asList(comments));
this.comments = Arrays.asList(comments);
return this;
}