Example usage for javax.xml.stream XMLStreamReader next

Introduction

In this page you can find the example usage for javax.xml.stream XMLStreamReader next.

Prototype

public int next() throws XMLStreamException;

Source Link

Document

Get next parsing event - a processor may return all contiguous character data in a single chunk, or it may split it into several chunks.

Usage

From source file:org.apache.ddlutils.io.DatabaseIO.java

/**
 * Reads index column elements from the XML stream reader and adds them to the given
 * index object./* w w  w  .j a va 2 s  .c  o m*/
 * 
 * @param xmlReader The reader
 * @param index     The index object
 */
private void readIndexColumnElements(XMLStreamReader xmlReader, Index index)
        throws XMLStreamException, IOException {
    int eventType = XMLStreamReader.START_ELEMENT;

    while (eventType != XMLStreamReader.END_ELEMENT) {
        eventType = xmlReader.next();
        if (eventType == XMLStreamReader.START_ELEMENT) {
            QName elemQName = xmlReader.getName();

            if (isSameAs(elemQName, QNAME_ELEMENT_INDEX_COLUMN)) {
                index.addColumn(readIndexColumnElement(xmlReader));
            } else {
                readOverElement(xmlReader);
            }
        }
    }
}

From source file:org.apache.ddlutils.io.DatabaseIO.java

/**
 * Reads unique index column elements from the XML stream reader and adds them to the given
 * index object./*  ww w  .  j ava 2  s.c o  m*/
 * 
 * @param xmlReader The reader
 * @param index     The index object
 */
private void readUniqueColumnElements(XMLStreamReader xmlReader, Index index)
        throws XMLStreamException, IOException {
    int eventType = XMLStreamReader.START_ELEMENT;

    while (eventType != XMLStreamReader.END_ELEMENT) {
        eventType = xmlReader.next();
        if (eventType == XMLStreamReader.START_ELEMENT) {
            QName elemQName = xmlReader.getName();

            if (isSameAs(elemQName, QNAME_ELEMENT_UNIQUE_COLUMN)) {
                index.addColumn(readIndexColumnElement(xmlReader));
            } else {
                readOverElement(xmlReader);
            }
        }
    }
}

From source file:org.apache.ddlutils.io.DatabaseIO.java

/**
 * Consumes the rest of the current element. This assumes that the current XML stream
 * event type is not START_ELEMENT./*w  ww.  j av a 2s  . com*/
 * 
 * @param reader The xml reader
 */
private void consumeRestOfElement(XMLStreamReader reader) throws XMLStreamException {
    int eventType = reader.getEventType();

    while ((eventType != XMLStreamReader.END_ELEMENT) && (eventType != XMLStreamReader.END_DOCUMENT)) {
        eventType = reader.next();
    }
}

From source file:org.apache.ddlutils.io.DatabaseIO.java

/**
 * Reads over the current element. This assumes that the current XML stream event type is
 * START_ELEMENT.//from   ww  w  .  j  av  a  2  s . com
 *  
 * @param reader The xml reader
 */
private void readOverElement(XMLStreamReader reader) throws XMLStreamException {
    int depth = 1;

    while (depth > 0) {
        int eventType = reader.next();

        if (eventType == XMLStreamReader.START_ELEMENT) {
            depth++;
        } else if (eventType == XMLStreamReader.END_ELEMENT) {
            depth--;
        }
    }
}

From source file:org.apache.ddlutils.io.DataReader.java

/**
 * Reads the data from the given XML stream reader.
 * //from   ww  w  .  j ava2  s .c o  m
 * @param xmlReader The reader
 */
private void read(XMLStreamReader xmlReader) throws DdlUtilsXMLException {
    try {
        while (xmlReader.getEventType() != XMLStreamReader.START_ELEMENT) {
            if (xmlReader.next() == XMLStreamReader.END_DOCUMENT) {
                return;
            }
        }
        readDocument(xmlReader);
    } catch (XMLStreamException ex) {
        throw new DdlUtilsXMLException(ex);
    }
}

From source file:org.apache.ddlutils.io.DataReader.java

/**
 * Reads the xml document from the given xml stream reader.
 * //from  w w  w . j ava  2 s .c  o m
 * @param xmlReader The reader
 */
private void readDocument(XMLStreamReader xmlReader) throws XMLStreamException, DdlUtilsXMLException {
    // we ignore the top-level tag since we don't know about its name
    int eventType = XMLStreamReader.START_ELEMENT;

    while (eventType != XMLStreamReader.END_ELEMENT) {
        eventType = xmlReader.next();
        if (eventType == XMLStreamReader.START_ELEMENT) {
            readBean(xmlReader);
        }
    }
}

From source file:org.apache.ddlutils.io.DataReader.java

/**
 * Reads all relevant sub elements that match the columns specified by the given table object from the xml reader into the given bean.
 *  /*  w w w.j ava 2s .c  o m*/
 * @param xmlReader The reader
 * @param data      Where to store the values
 */
private void readColumnSubElements(XMLStreamReader xmlReader, Map data)
        throws XMLStreamException, DdlUtilsXMLException {
    int eventType = XMLStreamReader.START_ELEMENT;

    while (eventType != XMLStreamReader.END_ELEMENT) {
        eventType = xmlReader.next();
        if (eventType == XMLStreamReader.START_ELEMENT) {
            readColumnSubElement(xmlReader, data);
        }
    }
}

From source file:org.apache.ddlutils.io.DataReader.java

/**
 * Reads the next column sub element that matches a column specified by the given table object from the xml reader into the given bean.
 *  //from   w  w w.ja  va 2  s  . c  o  m
 * @param xmlReader The reader
 * @param data      Where to store the values
 */
private void readColumnSubElement(XMLStreamReader xmlReader, Map data)
        throws XMLStreamException, DdlUtilsXMLException {
    QName elemQName = xmlReader.getName();
    Map attributes = new HashMap();
    boolean usesBase64 = false;

    for (int idx = 0; idx < xmlReader.getAttributeCount(); idx++) {
        QName attrQName = xmlReader.getAttributeName(idx);
        String value = xmlReader.getAttributeValue(idx);

        if (DatabaseIO.BASE64_ATTR_NAME.equals(attrQName.getLocalPart())) {
            if ("true".equalsIgnoreCase(value)) {
                usesBase64 = true;
            }
        } else {
            attributes.put(attrQName.getLocalPart(), value);
        }
    }

    int eventType = XMLStreamReader.START_ELEMENT;
    StringBuffer content = new StringBuffer();

    while (eventType != XMLStreamReader.END_ELEMENT) {
        eventType = xmlReader.next();
        if (eventType == XMLStreamReader.START_ELEMENT) {
            readColumnDataSubElement(xmlReader, attributes);
        } else if ((eventType == XMLStreamReader.CHARACTERS) || (eventType == XMLStreamReader.CDATA)
                || (eventType == XMLStreamReader.SPACE) || (eventType == XMLStreamReader.ENTITY_REFERENCE)) {
            content.append(xmlReader.getText());
        }
    }

    String value = content.toString().trim();

    if (usesBase64) {
        value = new String(Base64.decodeBase64(value.getBytes()));
    }

    String name = elemQName.getLocalPart();

    if ("table-name".equals(name)) {
        data.put("table-name", value);
    } else {
        if ("column".equals(name)) {
            name = (String) attributes.get("column-name");
        }
        if (attributes.containsKey("column-value")) {
            value = (String) attributes.get("column-value");
        }
        data.put(name, value);
    }
    consumeRestOfElement(xmlReader);
}

From source file:org.apache.ddlutils.io.DataReaderKeys.java

private void readDocument(XMLStreamReader xmlReader) throws XMLStreamException, DdlUtilsXMLException {
    // we ignore the top-level tag since we don't know about its name
    int eventType = XMLStreamReader.START_ELEMENT;

    while (eventType != XMLStreamReader.END_ELEMENT) {
        eventType = xmlReader.next();
        if (eventType == XMLStreamReader.START_ELEMENT) {
            Identity id = readBean(xmlReader);
            if (id != null) {
                //check to see if keymap has the table already
                Set keyset = (Set) keymap.get(id.getTable().getName());
                if (keyset != null) {
                    keyset.add(id);/*from   w  ww  . j  a va 2  s.co m*/
                } else { //add the table
                    Set newset = new HashSet();
                    newset.add(id);
                    keymap.put(id.getTable().getName(), newset);
                }
            }
        }
    }
}

From source file:org.apache.ddlutils.io.DataReaderKeys.java

private void readColumnSubElements(XMLStreamReader xmlReader, DynaBean bean, Table table)
        throws XMLStreamException, DdlUtilsXMLException {
    int eventType = XMLStreamReader.START_ELEMENT;

    while (eventType != XMLStreamReader.END_ELEMENT) {
        eventType = xmlReader.next();
        if (eventType == XMLStreamReader.START_ELEMENT) {
            readColumnSubElement(xmlReader, bean, table);
        }/*from w w w.  j a v  a 2s.c om*/
    }
}