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XMLMetaのパーサーを作成 Impl WIP

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r-ca 2023-12-25 15:43:03 +09:00
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commit bd1a1d56cb
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1 changed files with 79 additions and 2 deletions
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utils/src/main/java/one/nem/lacerta/utils/impl/XmlMetaParserImpl.java
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@ -1,16 +1,93 @@
package one.nem.lacerta.utils.impl;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.InputSource;
import java.io.StringReader;
import java.nio.file.Path;
import java.util.ArrayList;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import one.nem.lacerta.model.document.internal.XmlMetaModel;
import one.nem.lacerta.model.document.internal.XmlMetaPageModel;
import one.nem.lacerta.utils.XmlMetaParser;
public class XmlMetaParserImpl implements XmlMetaParser{
@Override
public XmlMetaModel parse(String xml) {
return null;
try {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
Document document = builder.parse(new InputSource(new StringReader(xml)));
Element rootElement = document.getDocumentElement();
XmlMetaModel meta = new XmlMetaModel();
meta.setTitle(rootElement.getElementsByTagName("title").item(0).getTextContent());
meta.setAuthor(rootElement.getElementsByTagName("author").item(0).getTextContent());
meta.setDescription(rootElement.getElementsByTagName("description").item(0).getTextContent());
meta.setDefaultBranch(rootElement.getElementsByTagName("defaultBranch").item(0).getTextContent());
ArrayList<XmlMetaPageModel> pages = new ArrayList<>();
for(int i = 0; i < rootElement.getElementsByTagName("pages").getLength(); i++) {
Element pageElement = (Element) rootElement.getElementsByTagName("page").item(i);
XmlMetaPageModel page = new XmlMetaPageModel();
page.setIndex(Integer.parseInt(pageElement.getElementsByTagName("index").item(0).getTextContent()));
page.setFilename(pageElement.getElementsByTagName("filename").item(0).getTextContent());
pages.add(page);
}
meta.setPages(pages);
return meta;
} catch (Exception e) {
e.printStackTrace();
}
return null; // TODO-rca: 例外
}
@Override
public String serialize(XmlMetaModel meta) {
return null;
try {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
Document document = builder.newDocument();
Element rootElement = document.createElement("meta");
appendElement(document, rootElement, "title", meta.getTitle());
appendElement(document, rootElement, "author", meta.getAuthor());
appendElement(document, rootElement, "description", meta.getDescription());
appendElement(document, rootElement, "defaultBranch", meta.getDefaultBranch());
Element pagesElement = document.createElement("pages");
for(XmlMetaPageModel page : meta.getPages()) {
Element pageElement = document.createElement("page");
appendElement(document, pageElement, "index", String.valueOf(page.getIndex()));
appendElement(document, pageElement, "filename", page.getFilename());
pagesElement.appendChild(pageElement);
}
rootElement.appendChild(pagesElement);
document.appendChild(rootElement);
return document.toString();
} catch (Exception e) {
e.printStackTrace();
}
return null; // TODO-rca: 例外
}
// Internal Methods
private Element appendElement(Document document, Element rootElement, String name, String textContent) {
Element element = document.createElement(name);
element.setTextContent(textContent);
rootElement.appendChild(element);
return element;
}
}