Java XML 序列化和反序列化
Utils 类:
1 import java.io.FileInputStream;2 import java.io.FileNotFoundException;
3 import java.io.FileWriter;
4 import java.io.InputStreamReader;
5 import java.io.Serializable;
6 import java.io.UnsupportedEncodingException;
7
8 import javax.xml.bind.JAXBContext;
9 import javax.xml.bind.JAXBException;
10 import javax.xml.bind.Marshaller;
11 import javax.xml.bind.Unmarshaller;
12
13 /**
14 * Created by Leo on 2017/2/10.
15 */
16 public class XmlUtils {
17 @SuppressWarnings({ "unchecked", "rawtypes" })
18 public static <T extends Serializable> T deserialize(String xmlFilePath, Class clazz)
19 throws FileNotFoundException, JAXBException, UnsupportedEncodingException {
20 JAXBContext context = JAXBContext.newInstance(clazz);
21 Unmarshaller unmarshal = context.createUnmarshaller();
22 FileInputStream fis = new FileInputStream(xmlFilePath);
23 InputStreamReader isr = new InputStreamReader(fis, "UTF-8");
24 return (T) unmarshal.unmarshal(isr);
25 }
26
27 public static <T> void serialize(T obj, String xmlFilePath) {
28 FileWriter writer = null;
29 try {
30 JAXBContext context = JAXBContext.newInstance(obj.getClass());
31 Marshaller marshal = context.createMarshaller();
32 marshal.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
33 marshal.marshal(obj, System.out);
34 writer = new FileWriter(xmlFilePath);
35 marshal.marshal(obj, writer);
36 } catch (Exception e) {
37 e.printStackTrace();
38 }
39 }
40
41 }
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根目录对应的类：
1 import javax.xml.bind.annotation.XmlElement;2 import javax.xml.bind.annotation.XmlRootElement;
3 import java.io.Serializable;
4 import java.util.*;
5
6 /**
7 * Created by Leo on 2017/2/10.
8 */
9 @XmlRootElement(name = "WorkflowProcesses")
10 public class WorkflowProcessList implements Serializable {
11
12 @XmlElement(name = "WorkflowProcess")
13 private List<WorkflowProcess> items;
14
15 public WorkflowProcessList() {
16 this.items = new ArrayList<WorkflowProcess>();
17 }
18
19 public void addProcess(WorkflowProcess process) {
20 this.items.add(process);
21 }
22
23 public Iterator<WorkflowProcess> iterator() {
24 return items.iterator();
25 }
26
27 public List<WorkflowProcess> getItems() {
28 return this.items;
29 }
30
31 }
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子类：
1 import java.io.Serializable;2 import java.util.ArrayList;
3 import java.util.List;
4
5 import javax.xml.bind.annotation.XmlAccessType;
6 import javax.xml.bind.annotation.XmlAccessorType;
7 import javax.xml.bind.annotation.XmlAttribute;
8 import javax.xml.bind.annotation.XmlElement;
9 import javax.xml.bind.annotation.XmlElementWrapper;
10 import javax.xml.bind.annotation.XmlRootElement;
11 import javax.xml.bind.annotation.XmlType;
12
13 @XmlType(propOrder = { "id", "name", "activities", "transitions" })
14 @XmlAccessorType(XmlAccessType.FIELD)
15 @XmlRootElement(name = "wp")
16 public class WorkflowProcess implements Serializable {
17
18 @XmlAttribute(name = "Id")
19 private String id;
20
21 @XmlAttribute(name = "Name")
22 private String name;
23
24 @XmlElementWrapper(name = "Activities")
25 @XmlElement(name = "Activity")
26 private List<Activity> activities;
27
28 @XmlElementWrapper(name = "Transitions")
29 @XmlElement(name = "Transition")
30 private List<Transition> transitions;
31
32 public WorkflowProcess() {
33 this.activities = new ArrayList<Activity>();
34 this.transitions = new ArrayList<Transition>();
35 }
36
37 public String getName() {
38 return this.name;
39 }
40
41 public void setName(String value) {
42 this.name = value;
43 }
44
45 public String getId() {
46 return this.id;
47 }
48
49 public void setId(String value) {
50 this.id = value;
51 }
52
53 public void addActivity(Activity activity) {
54 this.activities.add(activity);
55 }
56
57 public List<Activity> getActivities() {
58 return this.activities;
59 }
60
61 public List<Transition> getTransitions() {
62 return this.transitions;
63 }
64
65 }
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子类2：
1 import java.io.Serializable;2
3 import javax.xml.bind.annotation.XmlAccessType;
4 import javax.xml.bind.annotation.XmlAccessorType;
5 import javax.xml.bind.annotation.XmlAttribute;
6 import javax.xml.bind.annotation.XmlElement;
7 import javax.xml.bind.annotation.XmlRootElement;
8 import javax.xml.bind.annotation.XmlType;
9
10 /**
11 * Created by Leo on 2017/2/10.
12 */
13 @XmlType(name = "Activity", propOrder = { "id", "type", "name", "width", "height", "coordinate" })
14 @XmlAccessorType(XmlAccessType.FIELD)
15 @XmlRootElement
16 public class Activity implements Serializable {
17
18 @XmlAttribute(name = "Id")
19 private String id;
20
21 @XmlAttribute(name = "Type")
22 private String type;
23
24 @XmlAttribute(name = "Name")
25 private String name;
26
27 @XmlAttribute(name = "Width")
28 private int width;
29
30 @XmlAttribute(name = "Height")
31 private int height;
32
33 @XmlElement(name = "Coordinates")
34 private Coordinate coordinate;
35
36 public Activity() {
37
38 }
39
40 public Activity(String id, String type, String name) {
41 this.id = id;
42 this.type = type;
43 this.name = name;
44 }
45
46 public String getId() {
47 return this.id;
48 }
49
50 public void setId(String value) {
51 this.id = value;
52 }
53
54 public String getType() {
55 return this.type;
56 }
57
58 public void setType(String value) {
59 this.type = value;
60 }
61
62 public String getName() {
63 return this.name;
64 }
65
66 public void setName(String value) {
67 this.name = value;
68 }
69
70 public Coordinate getCoordinate() {
71 return this.coordinate;
72 }
73
74 public void setCoordinate(Coordinate value) {
75 this.coordinate = value;
76 }
77
78 public int getWidth() {
79 return this.width;
80 }
81
82 public void setWidth(int value) {
83 this.width = value;
84 }
85
86 public int getHeight() {
87 return this.height;
88 }
89
90 public void setHeight(int value) {
91 this.height = value;
92 }
93
94 }
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子类3：
1 import javax.xml.bind.annotation.XmlAccessType;2 import javax.xml.bind.annotation.XmlAccessorType;
3 import javax.xml.bind.annotation.XmlAttribute;
4 import javax.xml.bind.annotation.XmlElement;
5 import javax.xml.bind.annotation.XmlRootElement;
6 import javax.xml.bind.annotation.XmlType;
7
8 /**
9 * Created by Leo on 2017/2/10.
10 */
11 @XmlType(name = "Transition", propOrder = { "id", "from", "to", "name", "coordinate" })
12 @XmlAccessorType(XmlAccessType.FIELD)
13 @XmlRootElement()
14 public class Transition {
15
16 @XmlAttribute(name = "Id")
17 private String id;
18
19 @XmlAttribute(name = "From")
20 private String from;
21
22 @XmlAttribute(name = "To")
23 private String to;
24
25 @XmlAttribute(name = "Name")
26 private String name;
27
28 @XmlElement(name = "Coordinates")
29 private Coordinate coordinate;
30
31 public String getId() {
32 return this.id;
33 }
34
35 public void setId(String value) {
36 this.id = value;
37 }
38
39 public String getFrom() {
40 return this.from;
41 }
42
43 public void setFrom(String value) {
44 this.from = value;
45 }
46
47 public String getTo() {
48 return this.to;
49 }
50
51 public void setTo(String value) {
52 this.to = value;
53 }
54
55 public String getName() {
56 return this.name;
57 }
58
59 public void setName(String value) {
60 this.name = value;
61 }
62
63 public Coordinate getCoordinate() {
64 return this.coordinate;
65 }
66
67 public void setCoordinate(Coordinate value) {
68 this.coordinate = value;
69 }
70
71 }
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