WSDL 策略样本

WS-I WSDL 确认策略确保 WSDL 符合 WS-I 构面。PolicyGovernor 调用的每个策略与此策略相似。 WS-I 的某个构面是针对操作的参数名称具有正确的名称和绑定。在此示例中,策略确保 "XX" 列于 <wsdl:input name="XXgoodname"... 之前。
有关创建定制策略的指示信息,请参阅开发定制策略
package com.ibm.ram.extension.demo.policy;

import java.io.*;
import java.util.List;

import com.ibm.ram.common.emf.ArtifactDetail;
import com.ibm.ram.common.emf.ArtifactDetails;
import com.ibm.ram.defaultprofile.Artifact;
import com.ibm.ram.extension.ConfigurationDetails;
import com.ibm.ram.extension.PolicyGovernor;
import com.ibm.ram.policy.*;
public class WSIPolicy extends AssetPolicy {
	
	private MyGovernor fGovernor;
	
	private static String WSDL_MATCH0 = "<wsdl:input";
	private static String WSDL_MATCH1 = "<wsdl:message";
	private static String WSDL_MATCH2 = "name=\"";
	private static String WSDL_MATCH3 = "XX";

	public WSIPolicy(MyGovernor governor) {
		fGovernor = governor;
	}

以下方法返回此策略的唯一标识:

public String getID() {
	return "WSDL_000001";
}

以下方法返回将显示给用户的名称:

public String getName() {
	return "Interoperable Web Services (WS-I)";
}
public String getDescription() {
	return "Ensuring Interoperable Web Services - DEMO";
}

以下方法返回策略的控制器:

public PolicyGovernor getPolicyGovernor() {
	return fGovernor;
}

使用此定制策略时,可以使用以下代码输入逻辑来描述验证资产所要针对的内容:

public Result test() {
结果对象通过使用以下语法来返回策略一致性测试的总体状态:
Result status = new Result(this)

可以使用清单存取器获取对资产清单所有部分的访问权。工件详细信息就是资产中所有工件的列表:

ArtifactDetails artifactDetails = getManifestAccessor().getArtifactDetails();
if (artifactDetails != null) { 			
 List artifacts = artifactDetails.getArtifactDetails();  			

以下代码验证工件:

validateArtifacts(status, artifacts); 
}		

如果没有任何工件包含错误,请设置整体一致性消息:

if(status.getReturnCode() != ResultDetail.ERROR){
	status.setMessage("You comply with the WS-I standards");
}

如果工件包含错误,请显示失败消息:

else{
			status.setMessage("<font color=\"red\">You do not comply with the WS-I standards</font> To find out more check out our <a href=\"www.google.com\">corporate standard guidlines handbook.</a>");
		}

		return status;
	}
	
	private void validateWSDL(Result status, InputStream is, ArtifactDetail detail) {
		BufferedReader reader = null;
		try {
			if (is!=null) {
				int lineNo = 0;
				reader = new BufferedReader(new InputStreamReader(is));
				String line;
				StringBuffer message = new StringBuffer();
				while ((line = reader.readLine())!=null) {
					lineNo++;
					int idx = 0;
					while (idx>=0 && idx<line.length()) {
						int ori = idx;
						idx = line.indexOf(WSDL_MATCH0, idx);
						if (idx<0) {
							idx = line.indexOf(WSDL_MATCH1, ori);
						}
						if (idx>=0) {
							idx = line.indexOf(WSDL_MATCH2, idx);
							
							if (idx>=0) {
								idx+=WSDL_MATCH2.length();
								if (idx+WSDL_MATCH3.length()<line.length()) {
									if (line.substring(idx, idx+WSDL_MATCH3.length()).equalsIgnoreCase(WSDL_MATCH3)) {
										
										message.append("<a href=\"http://www.ws-i.org/Profiles/BasicProfile-1.0-2004-04-16.html\">
                                                All WSDLs must be WS-I Compliant </a>: ");
										message.append (detail.getName());
										message.append ("["+lineNo+"]");
										
										status.addDetail(new ArtifactResultDetail(
													detail, 
													ResultDetail.ERROR,
													message.toString()));										
									}									
								}
								idx+=WSDL_MATCH3.length();
							}
						}
					}
					
				}
			}
		} 
		catch (Throwable e) {}
		finally {
			if (reader!=null) {
				try {
					reader.close();
				} catch (IOException e) {}
			}
		}			
	}

以下代码对资产中的所有工件运行验证测试。

private void validateArtifacts(Result status, List artifacts) {
		for (int i = 0; i < artifacts.size(); i++) {
			ArtifactDetail artifactDetail = (ArtifactDetail) artifacts.get(i);

以下代码验证工件并确保文件名以 wsdl 结尾:

if (artifactDetail.getName() != null
	&& artifactDetail.getName().endsWith(".wsdl")) {
			InputStream is = null;
			BufferedReader reader = null;
			try {

以下代码尝试验证工件内容:

Artifact artifact = getManifestAccessor().getArtifact(
	artifactDetail.getPath(), artifactDetail.getName());

以下代码使用 artifactAccessor 来读取工件的内容:

is = getArtifactAccessor().getArtifactContent(artifact);
					if (is != null) {
						validateWSDL(status, is, artifactDetail);
					}
				} catch (Throwable e) {
					//print out any exception
					e.printStackTrace();
				} finally {

以下代码关闭输入流:

					try {
						if (reader != null)
							reader.close();
						if (is != null)
							is.close();
					} catch (IOException e) {
						e.printStackTrace();
					}
				}
			}
		}
	}
	
	public ConfigurationDetails[] getConfigurationDetails() {
		return null;
	}
}

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