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217
hrmsEjb/org/apache/commons/digester/CallMethodRule.java
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217
hrmsEjb/org/apache/commons/digester/CallMethodRule.java
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package org.apache.commons.digester;
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import org.apache.commons.beanutils.ConvertUtils;
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import org.apache.commons.beanutils.MethodUtils;
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import org.xml.sax.Attributes;
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public class CallMethodRule extends Rule {
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protected String bodyText;
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protected String methodName;
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protected int paramCount;
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protected Class[] paramTypes;
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private String[] paramClassNames;
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protected boolean useExactMatch;
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public CallMethodRule(Digester digester, String methodName, int paramCount) {
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this(methodName, paramCount);
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}
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public CallMethodRule(Digester digester, String methodName, int paramCount, String[] paramTypes) {
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this(methodName, paramCount, paramTypes);
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}
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public CallMethodRule(Digester digester, String methodName, int paramCount, Class[] paramTypes) {
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this(methodName, paramCount, paramTypes);
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}
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public CallMethodRule(String methodName, int paramCount) {
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this.bodyText = null;
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this.methodName = null;
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this.paramCount = 0;
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this.paramTypes = null;
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this.paramClassNames = null;
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this.useExactMatch = false;
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this.methodName = methodName;
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this.paramCount = paramCount;
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if (paramCount == 0) {
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this.paramTypes = new Class[] { String.class };
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} else {
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this.paramTypes = new Class[paramCount];
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for (int i = 0; i < this.paramTypes.length; i++)
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this.paramTypes[i] = String.class;
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}
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}
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public CallMethodRule(String methodName) {
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this(methodName, 0, (Class[])null);
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}
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public CallMethodRule(String methodName, int paramCount, String[] paramTypes) {
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this.bodyText = null;
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this.methodName = null;
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this.paramCount = 0;
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this.paramTypes = null;
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this.paramClassNames = null;
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this.useExactMatch = false;
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this.methodName = methodName;
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this.paramCount = paramCount;
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if (paramTypes == null) {
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this.paramTypes = new Class[paramCount];
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for (int i = 0; i < this.paramTypes.length; i++)
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this.paramTypes[i] = "abc".getClass();
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} else {
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this.paramClassNames = new String[paramTypes.length];
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for (int i = 0; i < this.paramClassNames.length; i++)
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this.paramClassNames[i] = paramTypes[i];
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}
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}
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public CallMethodRule(String methodName, int paramCount, Class[] paramTypes) {
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this.bodyText = null;
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this.methodName = null;
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this.paramCount = 0;
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this.paramTypes = null;
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this.paramClassNames = null;
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this.useExactMatch = false;
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this.methodName = methodName;
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this.paramCount = paramCount;
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if (paramTypes == null) {
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this.paramTypes = new Class[paramCount];
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for (int i = 0; i < this.paramTypes.length; i++)
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this.paramTypes[i] = "abc".getClass();
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} else {
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this.paramTypes = new Class[paramTypes.length];
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for (int i = 0; i < this.paramTypes.length; i++)
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this.paramTypes[i] = paramTypes[i];
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}
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}
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public boolean getUseExactMatch() {
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return this.useExactMatch;
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}
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public void setUseExactMatch(boolean useExactMatch) {
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this.useExactMatch = useExactMatch;
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}
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public void setDigester(Digester digester) {
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super.setDigester(digester);
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if (this.paramClassNames != null) {
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this.paramTypes = new Class[this.paramClassNames.length];
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for (int i = 0; i < this.paramClassNames.length; i++) {
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try {
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this.paramTypes[i] = digester.getClassLoader().loadClass(this.paramClassNames[i]);
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} catch (ClassNotFoundException e) {
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digester.getLogger().error("(CallMethodRule) Cannot load class " + this.paramClassNames[i], e);
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this.paramTypes[i] = null;
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}
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}
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}
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}
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public void begin(Attributes attributes) throws Exception {
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if (this.paramCount > 0) {
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Object[] parameters = new Object[this.paramCount];
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for (int i = 0; i < parameters.length; i++)
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parameters[i] = null;
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this.digester.pushParams(parameters);
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}
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}
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public void body(String bodyText) throws Exception {
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if (this.paramCount == 0)
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this.bodyText = bodyText.trim();
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}
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public void end() throws Exception {
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Object[] parameters = null;
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if (this.paramCount > 0) {
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parameters = (Object[])this.digester.popParams();
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if (this.digester.log.isTraceEnabled())
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for (int j = 0, size = parameters.length; j < size; j++)
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this.digester.log.trace("[CallMethodRule](" + j + ")" + parameters[j]);
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if (this.paramCount == 1 && parameters[0] == null)
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return;
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} else if (this.paramTypes != null && this.paramTypes.length != 0) {
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if (this.bodyText == null)
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return;
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parameters = new Object[1];
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parameters[0] = this.bodyText;
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if (this.paramTypes.length == 0) {
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this.paramTypes = new Class[1];
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this.paramTypes[0] = "abc".getClass();
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}
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}
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Object[] paramValues = new Object[this.paramTypes.length];
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for (int i = 0; i < this.paramTypes.length; i++) {
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if (parameters[i] == null || (parameters[i] instanceof String && !String.class.isAssignableFrom(this.paramTypes[i]))) {
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paramValues[i] = ConvertUtils.convert((String)parameters[i], this.paramTypes[i]);
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} else {
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paramValues[i] = parameters[i];
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}
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}
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Object top = this.digester.peek();
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if (this.digester.log.isDebugEnabled()) {
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StringBuffer sb = new StringBuffer("[CallMethodRule]{");
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sb.append(this.digester.match);
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sb.append("} Call ");
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if (top == null) {
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sb.append("[NULL TOP]");
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} else {
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sb.append(top.getClass().getName());
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}
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sb.append(".");
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sb.append(this.methodName);
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sb.append("(");
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for (int j = 0; j < paramValues.length; j++) {
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if (j > 0)
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sb.append(",");
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if (paramValues[j] == null) {
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sb.append("null");
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} else {
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sb.append(paramValues[j].toString());
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}
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sb.append("/");
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if (this.paramTypes[j] == null) {
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sb.append("null");
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} else {
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sb.append(this.paramTypes[j].getName());
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}
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}
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sb.append(")");
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this.digester.log.debug(sb.toString());
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}
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if (this.useExactMatch) {
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MethodUtils.invokeExactMethod(top, this.methodName, paramValues, this.paramTypes);
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} else {
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MethodUtils.invokeMethod(top, this.methodName, paramValues, this.paramTypes);
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}
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}
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public void finish() throws Exception {
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this.bodyText = null;
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}
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public String toString() {
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StringBuffer sb = new StringBuffer("CallMethodRule[");
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sb.append("methodName=");
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sb.append(this.methodName);
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sb.append(", paramCount=");
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sb.append(this.paramCount);
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sb.append(", paramTypes={");
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if (this.paramTypes != null)
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for (int i = 0; i < this.paramTypes.length; i++) {
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if (i > 0)
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sb.append(", ");
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sb.append(this.paramTypes[i].getName());
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}
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sb.append("}");
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sb.append("]");
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return sb.toString();
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}
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}
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