用Digester解析xml到bean
阿新 • • 發佈：2019-01-26
publicclass AddressBookParser
{
/**
* Prints the contact information to standard output.
*
* @param contact the <code>Contact</code> to print out
*/publicvoid addContact(Contact contact)
{
System.out.println("TYPE: "+ contact.getType());
System.out.println(
System.out.println(" ADDRESS: "+ contact.getAddress());
System.out.println(" CITY: "+ contact.getCity());
System.out.println(" PROVINCE: "+ contact.getProvince());
System.out.println(" POSTALCODE: "+ contact.getPostalcode());
System.out.println(
System.out.println(" COUNTRY-From: "+ contact.getCountryFrom());
System.out.println(" TELEPHONE: "+ contact.getTelephone());
}
/**
* Configures Digester rules and actions, parses the XML file specified
* as the first argument.
*
*
*/publicstaticvoid main(String[] args) throws IOException, SAXException
{
// instantiate Digester and disable XML validation Digester digester =new Digester();
digester.setValidating(false);
// instantiate AddressBookParser class digester.addObjectCreate("address-book", AddressBookParser.class );
// instantiate Contact class digester.addObjectCreate("address-book/contact", Contact.class );
// set type property of Contact instance when 'type' attribute is found
//對有屬性的值通過setProperties方法
digester.addSetProperties("address-book/contact", "myType", "type");
// set different properties of Contact instance using specified methods
//addCallMethod與addBeanPropertySetter等價
// 引數 0代表一個引數，預設就是當前讀的資料
digester.addCallMethod("address-book/contact/name", "setName", 0);
digester.addCallMethod("address-book/contact/address", "setAddress", 0);
digester.addCallMethod("address-book/contact/address", "setAddress",0);
digester.addCallMethod("address-book/contact/city", "setCity", 0);
digester.addCallMethod("address-book/contact/province", "setProvince", 0);
digester.addCallMethod("address-book/contact/postalcode", "setPostalcode", 0);
digester.addCallMethod("address-book/contact/country", "setCountry", 0);
//增加country的屬性 : from digester.addSetProperties("address-book/contact/country","from","countryFrom");
digester.addCallMethod("address-book/contact/telephone", "setTelephone", 0);
// call 'addContact' method when the next 'address-book/contact' pattern is seen digester.addSetNext("address-book/contact", "addContact" );
// now that rules and actions are configured, start the parsing process AddressBookParser abp = (AddressBookParser) digester.parse(new File("c://addressbook.xml"));
}
/**
* JavaBean class that holds properties of each Contact entry.
* It is important that this class be public and static, in order for
* Digester to be able to instantiate it.
*/publicstaticclass Contact
{
private String type;
private String name;
private String address;
private String city;
private String province;
private String postalcode;
private String country;
//增加一個country的屬性: from
private String countryFrom;private String telephone;
publicvoid setType(String newType)
{
type = newType;
}
public String getType()
{
return type;
}
publicvoid setName(String newName)
{
name = newName;
}
public String getName()
{
return name;
}
publicvoid setAddress(String newAddress)
{
address = newAddress;
}
public String getAddress()
{
return address;
}
publicvoid setCity(String newCity)
{
city = newCity;
}
public String getCity()
{
return city;
}
publicvoid setProvince(String newProvince)
{
province = newProvince;
}
public String getProvince()
{
return province;
}
publicvoid setPostalcode(String newPostalcode)
{
postalcode = newPostalcode;
}
public String getPostalcode()
{
return postalcode;
}
publicvoid setCountry(String newCountry)
{
country = newCountry;
}
public String getCountry()
{
return country;
}
publicvoid setTelephone(String newTelephone)
{
telephone = newTelephone;
}
public String getTelephone()
{
return telephone;
}
public String getCountryFrom() {
return countryFrom;
}
publicvoid setCountryFrom(String countryFrom) {
this.countryFrom = countryFrom;
}
}
}
{
/**
* Prints the contact information to standard output.
*
* @param contact the <code>Contact</code> to print out
*/publicvoid addContact(Contact contact)
{
System.out.println("TYPE: "+ contact.getType());
System.out.println(
System.out.println(" ADDRESS: "+ contact.getAddress());
System.out.println(" CITY: "+ contact.getCity());
System.out.println(" PROVINCE: "+ contact.getProvince());
System.out.println(" POSTALCODE: "+ contact.getPostalcode());
System.out.println(
System.out.println(" COUNTRY-From: "+ contact.getCountryFrom());
System.out.println(" TELEPHONE: "+ contact.getTelephone());
}
/**
* Configures Digester rules and actions, parses the XML file specified
* as the first argument.
*
*
*/publicstaticvoid main(String[] args) throws IOException, SAXException
{
// instantiate Digester and disable XML validation Digester digester =new Digester();
digester.setValidating(false);
// instantiate AddressBookParser class digester.addObjectCreate("address-book", AddressBookParser.class );
// instantiate Contact class digester.addObjectCreate("address-book/contact", Contact.class );
// set type property of Contact instance when 'type' attribute is found
//對有屬性的值通過setProperties方法
digester.addSetProperties("address-book/contact", "myType", "type");
// set different properties of Contact instance using specified methods
//addCallMethod與addBeanPropertySetter等價
// 引數 0代表一個引數，預設就是當前讀的資料
digester.addCallMethod("address-book/contact/name", "setName", 0);
digester.addCallMethod("address-book/contact/address", "setAddress", 0);
digester.addCallMethod("address-book/contact/address", "setAddress",0);
digester.addCallMethod("address-book/contact/city", "setCity", 0);
digester.addCallMethod("address-book/contact/province", "setProvince", 0);
digester.addCallMethod("address-book/contact/postalcode", "setPostalcode", 0);
digester.addCallMethod("address-book/contact/country", "setCountry", 0);
//增加country的屬性 : from digester.addSetProperties("address-book/contact/country","from","countryFrom");
digester.addCallMethod("address-book/contact/telephone", "setTelephone", 0);
// call 'addContact' method when the next 'address-book/contact' pattern is seen digester.addSetNext("address-book/contact", "addContact" );
// now that rules and actions are configured, start the parsing process AddressBookParser abp = (AddressBookParser) digester.parse(new File("c://addressbook.xml"));
}
/**
* JavaBean class that holds properties of each Contact entry.
* It is important that this class be public and static, in order for
* Digester to be able to instantiate it.
*/publicstaticclass Contact
{
private String type;
private String name;
private String address;
private String city;
private String province;
private String postalcode;
private String country;
//增加一個country的屬性: from
private String countryFrom;private String telephone;
publicvoid setType(String newType)
{
type = newType;
}
public String getType()
{
return type;
}
publicvoid setName(String newName)
{
name = newName;
}
public String getName()
{
return name;
}
publicvoid setAddress(String newAddress)
{
address = newAddress;
}
public String getAddress()
{
return address;
}
publicvoid setCity(String newCity)
{
city = newCity;
}
public String getCity()
{
return city;
}
publicvoid setProvince(String newProvince)
{
province = newProvince;
}
public String getProvince()
{
return province;
}
publicvoid setPostalcode(String newPostalcode)
{
postalcode = newPostalcode;
}
public String getPostalcode()
{
return postalcode;
}
publicvoid setCountry(String newCountry)
{
country = newCountry;
}
public String getCountry()
{
return country;
}
publicvoid setTelephone(String newTelephone)
{
telephone = newTelephone;
}
public String getTelephone()
{
return telephone;
}
public String getCountryFrom() {
return countryFrom;
}
publicvoid setCountryFrom(String countryFrom) {
this.countryFrom = countryFrom;
}
}
}