回答編集履歴
2
URL のクエリ文字列部分を微修正
answer
CHANGED
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@@ -54,7 +54,9 @@
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54
54
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}
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55
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56
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static Document getDocument(String isbn, DocumentBuilder builder) throws IOException, SAXException {
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57
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+
String operation = "searchRetrieve";
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58
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String query = URLEncoder.encode("isbn=\""+isbn+"\"", "UTF-8");
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57
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-
URL url = new URL("https://iss.ndl.go.jp/api/sru?operation=
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59
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URL url = new URL("https://iss.ndl.go.jp/api/sru?operation="+operation+"&query="+query);
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58
60
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HttpsURLConnection https = (HttpsURLConnection)url.openConnection();
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https.setRequestMethod("GET");
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https.connect();
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1
cx20 さんのコメントでのご指摘より、コード修正
answer
CHANGED
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@@ -23,7 +23,7 @@
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23
23
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}
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24
24
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static List<Book> getBookList(String isbn) throws ParserConfigurationException, IOException, SAXException, XPathExpressionException {
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26
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-
DocumentBuilderFactory factory = DocumentBuilderFactory.
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26
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+
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
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//factory.setNamespaceAware(true);
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DocumentBuilder builder = factory.newDocumentBuilder();
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29
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@@ -42,7 +42,7 @@
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for(int i=0; i<recordDataList.getLength(); i++) {
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44
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String data = recordDataList.item(i).getTextContent();
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45
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-
Document datadoc = builder.parse(new ByteArrayInputStream(data.getBytes()));
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45
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+
Document datadoc = builder.parse(new ByteArrayInputStream(data.getBytes("UTF-8")));
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String title = (String)titleExpr.evaluate(datadoc, XPathConstants.STRING);
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48
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String creator = (String)creatorExpr.evaluate(datadoc, XPathConstants.STRING);
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