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fixed npe

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This commit is contained in:
Daniel Gultsch 2014-04-06 15:22:56 +02:00
parent 3f61742902
commit 3f872ddc9f
1 changed files with 9 additions and 0 deletions
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9
src/eu/siacs/conversations/xml/TagWriter.java
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@ -47,18 +47,27 @@ public class TagWriter {
} }
public TagWriter beginDocument() throws IOException { public TagWriter beginDocument() throws IOException {
if (outputStream==null) {
throw new IOException("output stream was null");
}
outputStream.write("<?xml version='1.0'?>"); outputStream.write("<?xml version='1.0'?>");
outputStream.flush(); outputStream.flush();
return this; return this;
} }
public TagWriter writeTag(Tag tag) throws IOException { public TagWriter writeTag(Tag tag) throws IOException {
if (outputStream==null) {
throw new IOException("output stream was null");
}
outputStream.write(tag.toString()); outputStream.write(tag.toString());
outputStream.flush(); outputStream.flush();
return this; return this;
} }
public TagWriter writeElement(Element element) throws IOException { public TagWriter writeElement(Element element) throws IOException {
if (outputStream==null) {
throw new IOException("output stream was null");
}
outputStream.write(element.toString()); outputStream.write(element.toString());
outputStream.flush(); outputStream.flush();
return this; return this;