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1
25
26 package org.jrobin.core;
27
28 import org.w3c.dom.Element  ;
29 import org.w3c.dom.Node ;
30 import java.io.IOException ;
31 import java.io.File ;
32
33 class XmlReader extends DataImporter {
34
35 private Element root;
36 private Node [] dsNodes, arcNodes;
37
38 XmlReader(String xmlFilePath) throws IOException , RrdException {
39 root = Util.Xml.getRootElement(new File (xmlFilePath));
40 dsNodes = Util.Xml.getChildNodes(root, "ds");
41 arcNodes = Util.Xml.getChildNodes(root, "rra");
42 }
43
44 String getVersion() throws RrdException {
45 return Util.Xml.getChildValue(root, "version");
46 }
47
48 long getLastUpdateTime() throws RrdException {
49 return Util.Xml.getChildValueAsLong(root, "lastupdate");
50 }
51
52 long getStep() throws RrdException {
53 return Util.Xml.getChildValueAsLong(root, "step");
54 }
55
56 int getDsCount() {
57 return dsNodes.length;
58 }
59
60 int getArcCount() {
61 return arcNodes.length;
62 }
63
64 String getDsName(int dsIndex) throws RrdException {
65 return Util.Xml.getChildValue(dsNodes[dsIndex], "name");
66 }
67
68 String getDsType(int dsIndex) throws RrdException {
69 return Util.Xml.getChildValue(dsNodes[dsIndex], "type");
70 }
71
72 long getHeartbeat(int dsIndex) throws RrdException {
73 return Util.Xml.getChildValueAsLong(dsNodes[dsIndex], "minimal_heartbeat");
74 }
75
76 double getMinValue(int dsIndex) throws RrdException {
77 return Util.Xml.getChildValueAsDouble(dsNodes[dsIndex], "min");
78 }
79
80 double getMaxValue(int dsIndex) throws RrdException {
81 return Util.Xml.getChildValueAsDouble(dsNodes[dsIndex], "max");
82 }
83
84 double getLastValue(int dsIndex) throws RrdException {
85 return Util.Xml.getChildValueAsDouble(dsNodes[dsIndex], "last_ds");
86 }
87
88 double getAccumValue(int dsIndex) throws RrdException {
89 return Util.Xml.getChildValueAsDouble(dsNodes[dsIndex], "value");
90 }
91
92 long getNanSeconds(int dsIndex) throws RrdException {
93 return Util.Xml.getChildValueAsLong(dsNodes[dsIndex], "unknown_sec");
94 }
95
96 String getConsolFun(int arcIndex) throws RrdException {
97 return Util.Xml.getChildValue(arcNodes[arcIndex], "cf");
98 }
99
100 double getXff(int arcIndex) throws RrdException {
101 return Util.Xml.getChildValueAsDouble(arcNodes[arcIndex], "xff");
102 }
103
104 int getSteps(int arcIndex) throws RrdException {
105 return Util.Xml.getChildValueAsInt(arcNodes[arcIndex], "pdp_per_row");
106 }
107
108 double getStateAccumValue(int arcIndex, int dsIndex) throws RrdException {
109 Node cdpNode = Util.Xml.getFirstChildNode(arcNodes[arcIndex], "cdp_prep");
110 Node [] dsNodes = Util.Xml.getChildNodes(cdpNode, "ds");
111 return Util.Xml.getChildValueAsDouble(dsNodes[dsIndex], "value");
112 }
113
114 int getStateNanSteps(int arcIndex, int dsIndex) throws RrdException {
115 Node cdpNode = Util.Xml.getFirstChildNode(arcNodes[arcIndex], "cdp_prep");
116 Node [] dsNodes = Util.Xml.getChildNodes(cdpNode, "ds");
117 return Util.Xml.getChildValueAsInt(dsNodes[dsIndex], "unknown_datapoints");
118 }
119
120 int getRows(int arcIndex) throws RrdException {
121 Node dbNode = Util.Xml.getFirstChildNode(arcNodes[arcIndex], "database");
122 Node [] rows = Util.Xml.getChildNodes(dbNode, "row");
123 return rows.length;
124 }
125
126 double[] getValues(int arcIndex, int dsIndex) throws RrdException {
127 Node dbNode = Util.Xml.getFirstChildNode(arcNodes[arcIndex], "database");
128 Node [] rows = Util.Xml.getChildNodes(dbNode, "row");
129 double[] values = new double[rows.length];
130 for(int i = 0; i < rows.length; i++) {
131 Node [] vNodes = Util.Xml.getChildNodes(rows[i], "v");
132 Node vNode = vNodes[dsIndex];
133 values[i] = Util.parseDouble(vNode.getFirstChild().getNodeValue().trim());
134 }
135 return values;
136 }
137 } |
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