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/**
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* Copyright (C) 2018 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.vaadin.event;
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import java.beans.PropertyDescriptor;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Stack;
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import org.apache.commons.beanutils.BeanUtilsBean;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.log4j.Logger;
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import com.vaadin.ui.Component;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.ref.TypedEntityReference;
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import eu.etaxonomy.cdm.vaadin.event.EditorActionContextFormat.TargetInfoType;
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import eu.etaxonomy.cdm.vaadin.model.CdmEntityAdapterDTO;
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import eu.etaxonomy.vaadin.mvp.AbstractPopupEditor;
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import eu.etaxonomy.vaadin.util.PropertyIdPath;
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/**
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* @author a.kohlbecker
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* @since Oct 29, 2018
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*
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*/
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public class EditorActionContextFormatter {
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public static final Logger logger = Logger.getLogger(EditorActionContextFormatter.class);
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private static final String NEW = "New";
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private static final String EDIT = "Edit";
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public String format(EditorActionContext cntxt, EditorActionContextFormat format) {
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String className = null;
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String targetInfo = null;
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String targetEntityStr = null;
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String createOrNew = null;
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Object parentEntity = cntxt.getParentEntity();
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if (parentEntity != null) {
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if (parentEntity instanceof TypedEntityReference) {
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className = ((TypedEntityReference) cntxt.getParentEntity()).getType().getSimpleName();
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createOrNew = EDIT;
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} else if (CdmEntityAdapterDTO.class.isAssignableFrom(parentEntity.getClass())) {
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CdmBase cdmEntity = ((CdmEntityAdapterDTO) parentEntity).cdmEntity();
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className = cdmEntity.getClass().getSimpleName();
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createOrNew = cdmEntity.isPersited() ? EDIT : NEW;
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} else if (CdmBase.class.isAssignableFrom(parentEntity.getClass())) {
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CdmBase cdmEntity = ((CdmBase) parentEntity);
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className = cdmEntity.getClass().getSimpleName();
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createOrNew = cdmEntity.isPersited() ? EDIT : NEW;
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} else {
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className = parentEntity.getClass().getSimpleName();
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className = className.replace("DTO", "");
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createOrNew = beanHasNonEmptyFields(parentEntity) ? EDIT : NEW;
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}
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} else {
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className += "[NULL_CLASS]";
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}
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if ((format.doTargetInfo || format.doTargetEntity) && cntxt.getParentView() != null && AbstractPopupEditor.class.isAssignableFrom(cntxt.getParentView().getClass())) {
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// the top element is the cntxt istself!! we need to dig one step deeper to get the previous popup editor
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// TODO chaining the EditorActionContext would ease find the contexts of parent editors
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Stack<EditorActionContext> ctxtStack = ((AbstractPopupEditor)cntxt.getParentView()).getEditorActionContext();
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int parentPopupPos = ctxtStack.size() - 2;
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if(parentPopupPos > -1){
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EditorActionContext parentCtx = ctxtStack.get(parentPopupPos);
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if(format.targetInfoType.equals(TargetInfoType.PROPERTIES)){
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PropertyIdPath propertyIdPath = parentCtx.getTargetPropertyIdPath();
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if (propertyIdPath != null) {
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targetInfo = propertyIdPath.toString();
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}
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} else {
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// TargetInfoType.FIELD_CAPTION
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if(parentCtx.getTargetField() != null){
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Component captionComponent = parentCtx.getTargetField();
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while(captionComponent != null){
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targetInfo = captionComponent.getCaption();
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if(targetInfo != null){
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break;
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}
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captionComponent = captionComponent.getParent();
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}
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}
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}
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}
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}
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if(format.doTargetEntity){
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targetEntityStr = formatTargetEntityString(cntxt.parentEntity, format);
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}
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// create output
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String outStr = "";
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if (format.doCreateOrNew && createOrNew != null) {
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if(format.tagName != null){
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outStr += "<" + format.tagName + " class=\"operation " + format.classAttributes + "\">" + createOrNew + "</" + format.tagName + ">";
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} else {
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outStr += createOrNew;
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}
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}
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if (format.doTargetInfo) {
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if(targetInfo == null && format.classNameForMissingTargetData && className != null){
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targetInfo = className;
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}
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if(targetInfo != null){
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targetInfo = normalizeTargetInfo(targetInfo);
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if(!outStr.isEmpty()){
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outStr += " ";
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}
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if(format.tagName != null){
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outStr += "<" + format.tagName + " class=\"target " + format.classAttributes + "\">" + targetInfo + "</" + format.tagName + ">";
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} else {
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outStr += targetInfo;
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}
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}
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}
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if(format.doTargetEntity && targetEntityStr != null){
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if(format.tagName != null){
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outStr += "<" + format.tagName + " class=\"target-entity" + format.classAttributes + "\">" + targetEntityStr + "</" + format.tagName + ">";
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} else {
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outStr += " (" + targetEntityStr + ")";
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}
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}
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return outStr;
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}
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/**
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* @param parentEntity
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* @return
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*/
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private boolean beanHasNonEmptyFields(Object parentEntity) {
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BeanUtilsBean beanUtils = BeanUtilsBean.getInstance();
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Map<String, Object> description = new HashMap<>();
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PropertyDescriptor[] descriptors =
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beanUtils.getPropertyUtils().getPropertyDescriptors(parentEntity);
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Class<?> clazz = parentEntity.getClass();
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for (int i = 0; i < descriptors.length; i++) {
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String name = descriptors[i].getName();
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Method getter = beanUtils.getPropertyUtils().getReadMethod(descriptors[i]);
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if (getter != null) {
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try {
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Object value;
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value = getter.invoke(parentEntity);
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if(value != null){
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if(Collection.class.isAssignableFrom(value.getClass())){
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return !((Collection)value).isEmpty();
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}
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if(value instanceof String){
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return !((String)value).isEmpty();
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}
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return true;
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}
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} catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
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/* IGNORE */
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}
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}
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}
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return false;
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}
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public String format(Collection<EditorActionContext> cntxts, EditorActionContextFormat format) {
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String outStr = "";
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for(EditorActionContext ctx : cntxts){
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if(!outStr.isEmpty()){
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outStr += " > "; // FIXME allow configuring the separator
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}
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outStr += format(ctx, format) ;
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}
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return outStr;
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}
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/**
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* @param value
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* @param format
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* @return
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*/
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private String formatTargetEntityString(Object value, EditorActionContextFormat format) {
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if(value == null){
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return "NULL";
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}
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String outStr;
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if(value instanceof CdmBase){
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outStr = ((CdmBase)value).instanceToString();
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} else if(value instanceof CdmEntityAdapterDTO) {
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outStr = value.getClass().getSimpleName() + ": ";
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outStr += ((CdmEntityAdapterDTO)value).cdmEntity().toString();
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} else {
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outStr = value.getClass().getSimpleName() + ": " + value.toString();
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}
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return outStr;
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}
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/**
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* @param targetInfo
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* @return
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*/
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public String normalizeTargetInfo(String targetInfo) {
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targetInfo = StringUtils.join(StringUtils.splitByCharacterTypeCamelCase(targetInfo), " ");
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targetInfo = targetInfo.toLowerCase();
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return targetInfo;
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}
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}
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