Example usage for java.io PushbackReader unread

Introduction

In this page you can find the example usage for java.io PushbackReader unread.

Prototype

public void unread(char cbuf[]) throws IOException 

Source Link

Document

Pushes back an array of characters by copying it to the front of the pushback buffer.

Usage

From source file:nl.armatiek.xslweb.serializer.RequestSerializer.java

private void serializeBody(List<FileItem> fileItems) throws Exception {
    if (!req.getMethod().equals("POST") || fileItems != null) {
        return;/* w ww  .j a v  a 2  s.  co  m*/
    }
    PushbackReader pushbackReader = new PushbackReader(req.getReader());
    int b = pushbackReader.read();
    if (b == -1) {
        return;
    }
    pushbackReader.unread(b);
    xsw.writeStartElement(URI, "body");
    String contentType = req.getContentType();
    if (contentType != null && contentType.contains(";")) {
        contentType = contentType.split(";")[0].trim();
    }
    if ((contentType != null) && (contentType.startsWith("text/xml")
            || contentType.startsWith("application/xml") || contentType.endsWith("+xml"))) {
        getFilteredXMLReader().parse(new InputSource(pushbackReader));
    } else if ((contentType != null) && contentType.startsWith("text/plain")) {
        xsw.writeCharacters(IOUtils.toString(pushbackReader));
    } else {
        xsw.writeCData(Base64.encodeBase64String(IOUtils.toByteArray(pushbackReader, "UTF-8")));
    }
    xsw.writeEndElement();
}

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From source file:org.deegree.framework.xml.XMLFragment.java

/**
 * Initializes the <code>XMLFragment</code> with the content from the given <code>Reader</code>. Sets the SystemId,
 * too./*  www  .  ja va 2s .  co m*/
 * 
 * @param reader
 * @param systemId
 *            can not be null. This string should represent a URL that is related to the passed reader. If this URL
 *            is not available or unknown, the string should contain the value of XMLFragment.DEFAULT_URL
 * @throws SAXException
 * @throws IOException
 * @throws NullPointerException
 */
public void load(Reader reader, String systemId) throws SAXException, IOException {

    PushbackReader pbr = new PushbackReader(reader, 1024);
    int c = pbr.read();
    if (c != 65279 && c != 65534) {
        // no BOM! push char back into reader
        pbr.unread(c);
    }

    InputSource source = new InputSource(pbr);
    if (systemId == null) {
        throw new NullPointerException("'systemId' must not be null!");
    }
    setSystemId(systemId);
    DocumentBuilder builder = XMLTools.getDocumentBuilder();
    Document doc = builder.parse(source);
    setRootElement(doc.getDocumentElement());
}

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