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src/java.base/share/classes/java/io/StringWriter.java
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rev 15365 : imported patch 8163517-Various-cleanup-in-java-io-code
@@ -137,22 +137,19 @@
* character buffer will return a subsequence whose content depends upon
* the buffer's position and limit.
*
* @param csq
* The character sequence to append. If {@code csq} is
- * {@code null}, then the four characters "{@code null}" are
+ * {@code null}, then the four characters {@code "null"} are
* appended to this writer.
*
* @return This writer
*
* @since 1.5
*/
public StringWriter append(CharSequence csq) {
- if (csq == null)
- write("null");
- else
- write(csq.toString());
+ write(String.valueOf(csq));
return this;
}
/**
* Appends a subsequence of the specified character sequence to this writer.
@@ -168,11 +165,11 @@
*
* @param csq
* The character sequence from which a subsequence will be
* appended. If {@code csq} is {@code null}, then characters
* will be appended as if {@code csq} contained the four
- * characters "{@code null}".
+ * characters {@code "null"}.
*
* @param start
* The index of the first character in the subsequence
*
* @param end
@@ -187,13 +184,12 @@
* {@code csq.length()}
*
* @since 1.5
*/
public StringWriter append(CharSequence csq, int start, int end) {
- CharSequence cs = (csq == null ? "null" : csq);
- write(cs.subSequence(start, end).toString());
- return this;
+ if (csq == null) csq = "null";
+ return append(csq.subSequence(start, end));
}
/**
* Appends the specified character to this writer.
*
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