maven-changelog-plugin: need to escape filename

Despite many common-sense reasons not to do so, some users have used the ampersand characters in workfile names.

The following code snippet seems to resolve this:

>cvs diff ChangeLogEntry.java
Index: ChangeLogEntry.java
===================================================================
RCS file: /home/cvspublic/maven/src/plugins-build/changelog/src/main/org/apache/
maven/changelog/ChangeLogEntry.java,v
retrieving revision 1.1.1.1
diff -r1.1.1.1 ChangeLogEntry.java
74a75,85
> /** Escaped <code><</code> entity */
> public static final String LESS_THAN_ENTITY = "<";
> /** Escaped <code>></code> entity */
> public static final String GREATER_THAN_ENTITY = ">";
> /** Escaped <code>&</code> entity */
> public static final String AMPERSAND_ENTITY = "&";
> /** Escaped <code>'</code> entity */
> public static final String APOSTROPHE_ENTITY = "'";
> /** Escaped <code>"</code> entity */
> public static final String QUOTE_ENTITY = """;
>
179c190
< .append(file.getName())
—
> .append(escapeValue(file.getName()))
281a293,335
>
> /**
> * <p>Escape the <code>toString</code> of the given object.
> * For use in an attribute value.</p>
> *
> * swiped from jakarta-commons/betwixt – XMLUtils.java
> *
> * @param value escape <code>value.toString()</code>
> * @return text with characters restricted (for use in attributes) escaped
> */
> public static final String escapeValue(Object value) {
> StringBuffer buffer = new StringBuffer(value.toString());
> for (int i=0, size = buffer.length(); i <size; i++) {
> switch (buffer.charAt) { > case '<': > buffer.replace(i, i+1, LESS_THAN_ENTITY); > size += 3; > i+=3; > break; > case '>': > buffer.replace(i, i+1, GREATER_THAN_ENTITY); > size += 3; > i += 3; > break; > case '&': > buffer.replace(i, i+1, AMPERSAND_ENTITY); > size += 4; > i += 4; > break; > case '\'': > buffer.replace(i, i+1, APOSTROPHE_ENTITY); > size += 4; > i += 4; > break; > case '\"': > buffer.replace(i, i+1, QUOTE_ENTITY); > size += 5; > i += 5; > break; > }
> }
> return buffer.toString();
> }