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comparison flys-client/src/main/java/de/intevation/flys/client/server/ChartInfoServiceImpl.java @ 549:e74bf6bfeeb6

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Use the same code to create the attribute document for the chart creation in ChartOutputService and ChartInfoService. flys-client/trunk@2060 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 07 Jun 2011 10:03:19 +0000
parents 95a7f9cb3d58
children 6050d49eaba3
comparison
equal deleted inserted replaced
548:aff225e07720 549:e74bf6bfeeb6
1 package de.intevation.flys.client.server; 1 package de.intevation.flys.client.server;
2 2
3 import java.io.InputStream; 3 import java.io.InputStream;
4 import java.io.IOException; 4 import java.io.IOException;
5 import java.util.Map;
5 6
6 import javax.xml.xpath.XPathConstants; 7 import javax.xml.xpath.XPathConstants;
7 8
8 import org.w3c.dom.Document; 9 import org.w3c.dom.Document;
9 import org.w3c.dom.Element;
10 import org.w3c.dom.Node; 10 import org.w3c.dom.Node;
11 11
12 import com.google.gwt.user.server.rpc.RemoteServiceServlet; 12 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
13 13
14 import de.intevation.artifacts.common.ArtifactNamespaceContext; 14 import de.intevation.artifacts.common.ArtifactNamespaceContext;
15 import de.intevation.artifacts.common.utils.ClientProtocolUtils; 15 import de.intevation.artifacts.common.utils.ClientProtocolUtils;
16 import de.intevation.artifacts.common.utils.XMLUtils; 16 import de.intevation.artifacts.common.utils.XMLUtils;
17 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator;
18 17
19 import de.intevation.artifacts.httpclient.http.HttpClient; 18 import de.intevation.artifacts.httpclient.http.HttpClient;
20 import de.intevation.artifacts.httpclient.http.HttpClientImpl; 19 import de.intevation.artifacts.httpclient.http.HttpClientImpl;
21 20
22 import de.intevation.flys.client.shared.Transform2D; 21 import de.intevation.flys.client.shared.Transform2D;
41 40
42 public static final String EXCEPTION_STRING = "error_chart_info_service"; 41 public static final String EXCEPTION_STRING = "error_chart_info_service";
43 42
44 43
45 public Transform2D getChartInfo( 44 public Transform2D getChartInfo(
46 Collection collection, 45 Collection collection,
47 String url, 46 String url,
48 String locale, 47 String locale,
49 String type, 48 String type,
50 int width, 49 Map<String, String> attr)
51 int height)
52 throws ServerException 50 throws ServerException
53 { 51 {
54 System.out.println("ChartInfoServiceImpl.getChartInfo"); 52 System.out.println("ChartInfoServiceImpl.getChartInfo");
55 53
56 Document request = ClientProtocolUtils.newOutCollectionDocument( 54 Document request = ClientProtocolUtils.newOutCollectionDocument(
57 collection.identifier(), 55 collection.identifier(),
58 type, 56 type,
59 type, 57 type,
60 getChartAttributes(width, height)); 58 ChartServiceHelper.getChartAttributes(attr));
61 59
62 try { 60 try {
63 HttpClient client = new HttpClientImpl(url, locale); 61 HttpClient client = new HttpClientImpl(url, locale);
64 InputStream in = client.collectionOut( 62 InputStream in = client.collectionOut(
65 request, 63 request,
75 } 73 }
76 74
77 System.err.println("Error while fetching chart info."); 75 System.err.println("Error while fetching chart info.");
78 76
79 throw new ServerException(EXCEPTION_STRING); 77 throw new ServerException(EXCEPTION_STRING);
80 }
81
82
83 /**
84 * This method returns a document which might contain parameters to adjust
85 * chart settings. The document is created using the information that are
86 * contained in the request object.
87 *
88 * @param req The request document.
89 *
90 * @return a document to adjust chart settings.
91 */
92 protected Document getChartAttributes(int width, int height) {
93 Document doc = XMLUtils.newDocument();
94
95 ElementCreator ec = new ElementCreator(
96 doc,
97 ArtifactNamespaceContext.NAMESPACE_URI,
98 ArtifactNamespaceContext.NAMESPACE_PREFIX);
99
100 Element attr = ec.create("attributes");
101 Element size = ec.create("size");
102
103 ec.addAttr(size, "width", String.valueOf(width), true);
104 ec.addAttr(size, "height", String.valueOf(height), true);
105
106 attr.appendChild(size);
107 doc.appendChild(attr);
108
109 return doc;
110 } 78 }
111 79
112 80
113 /** 81 /**
114 * Parses the chart info document and extract the Transform2D values. 82 * Parses the chart info document and extract the Transform2D values.
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