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small refactor of ThemesTable

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1896269 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
PJ Fanning 2021-12-22 09:16:53 +00:00
parent 74b08e5f51
commit cf1354dc6c
1 changed files with 30 additions and 6 deletions
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36
poi-ooxml/src/main/java/org/apache/poi/xssf/model/ThemesTable.java
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@ -19,6 +19,7 @@ package org.apache.poi.xssf.model;
import static org.apache.poi.ooxml.POIXMLTypeLoader.DEFAULT_XML_OPTIONS;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.apache.poi.ooxml.POIXMLDocumentPart;
@ -62,7 +63,7 @@ public class ThemesTable extends POIXMLDocumentPart implements Themes {
}
private IndexedColorMap colorMap;
private final ThemeDocument theme;
private ThemeDocument theme;
/**
* Create a new, empty ThemesTable
@ -81,14 +82,22 @@ public class ThemesTable extends POIXMLDocumentPart implements Themes {
*/
public ThemesTable(PackagePart part) throws IOException {
super(part);
try {
theme = ThemeDocument.Factory.parse(part.getInputStream(), DEFAULT_XML_OPTIONS);
} catch(XmlException e) {
throw new IOException(e.getLocalizedMessage(), e);
try (InputStream stream = part.getInputStream()) {
readFrom(stream);
}
}
/**
* Construct a ThemesTable.
* @param stream input stream.
*
* @since POI 5.2.0
*/
public ThemesTable(InputStream stream) throws IOException {
super();
readFrom(stream);
}
/**
* Construct a ThemesTable from an existing ThemeDocument.
* @param theme A ThemeDocument.
@ -97,6 +106,21 @@ public class ThemesTable extends POIXMLDocumentPart implements Themes {
this.theme = theme;
}
/**
* Read this themes table from an XML file.
*
* @param is The input stream containing the XML document.
* @throws IOException if an error occurs while reading.
* @since POI 5.2.0
*/
public void readFrom(InputStream is) throws IOException {
try {
theme = ThemeDocument.Factory.parse(is, DEFAULT_XML_OPTIONS);
} catch(XmlException e) {
throw new IOException(e.getLocalizedMessage(), e);
}
}
/**
* called from {@link StylesTable} when setting theme, used to adjust colors if a custom indexed mapping is defined
*/