X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=server%2Fruntime%2Forg.argeo.server.jxl%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Fserver%2Fjxl%2Fdao%2FJxlDaoSupport.java;h=fecd7f2911bfd0b1bd0439d021536110bf874b0a;hb=9345ad49cb9c3505c3cae938efd028ebffd1a2d8;hp=834de39f6935b8662bae498d26ddee590317de30;hpb=868030e8fb739ec314c06c5651159735fa56f375;p=lgpl%2Fargeo-commons.git diff --git a/server/runtime/org.argeo.server.jxl/src/main/java/org/argeo/server/jxl/dao/JxlDaoSupport.java b/server/runtime/org.argeo.server.jxl/src/main/java/org/argeo/server/jxl/dao/JxlDaoSupport.java index 834de39f6..fecd7f291 100644 --- a/server/runtime/org.argeo.server.jxl/src/main/java/org/argeo/server/jxl/dao/JxlDaoSupport.java +++ b/server/runtime/org.argeo.server.jxl/src/main/java/org/argeo/server/jxl/dao/JxlDaoSupport.java @@ -6,138 +6,256 @@ import java.util.Collection; import java.util.HashMap; import java.util.List; import java.util.Map; +import java.util.TreeMap; import jxl.Cell; +import jxl.CellType; import jxl.FormulaCell; +import jxl.JXLException; +import jxl.LabelCell; +import jxl.NumberCell; import jxl.Sheet; import jxl.Workbook; +import jxl.WorkbookSettings; +import org.apache.commons.io.IOUtils; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.argeo.server.ArgeoServerException; +import org.argeo.server.dao.LightDaoSupport; import org.springframework.beans.BeanWrapper; import org.springframework.beans.BeanWrapperImpl; import org.springframework.beans.BeansException; +import org.springframework.beans.factory.InitializingBean; +import org.springframework.beans.factory.generic.GenericBeanFactoryAccessor; import org.springframework.context.ApplicationContext; import org.springframework.context.ApplicationContextAware; +import org.springframework.core.io.Resource; import org.springframework.util.StringUtils; -public class JxlDaoSupport implements ApplicationContextAware { +public class JxlDaoSupport implements LightDaoSupport, ApplicationContextAware, + InitializingBean { private final static Log log = LogFactory.getLog(JxlDaoSupport.class); private ClassLoader classLoader = getClass().getClassLoader(); private ApplicationContext applicationContext; + private List> additionalClasses = new ArrayList>(); private Map, Map> model = new HashMap, Map>(); private Map externalRefs = new HashMap(); - public void load(InputStream in) { + private List scannedPackages = new ArrayList(); - try { - // used to resolve inner references - Map> tempRefs = new HashMap>(); - List links = new ArrayList(); + private List workbooks = new ArrayList(); + + private Integer charset = 0; + + public void afterPropertiesSet() throws Exception { + init(); + } + + public void init() { + // used to resolve inner references + Map> tempRefs = new HashMap>(); + + List references = new ArrayList(); + + for (Resource res : workbooks) { + InputStream in = null; + try { + in = res.getInputStream(); + load(in, references, tempRefs); + } catch (Exception e) { + throw new ArgeoServerException("Cannot load stream", e); + } finally { + IOUtils.closeQuietly(in); + } + } - Workbook workbook = Workbook.getWorkbook(in); + // Inject references + for (Reference ref : references) { + injectReference(ref, tempRefs); + } + if (log.isDebugEnabled()) + log.debug(references.size() + " references linked"); + } + public List> getSupportedClasses() { + List> res = new ArrayList>(); + res.addAll(additionalClasses); + res.addAll(model.keySet()); + return res; + } + + public void load(InputStream in, List references, + Map> tempRefs) { + try { + WorkbookSettings workbookSettings = new WorkbookSettings(); + workbookSettings.setCharacterSet(charset); + Workbook workbook = Workbook.getWorkbook(in, workbookSettings); for (Sheet sheet : workbook.getSheets()) { - if (log.isTraceEnabled()) - log.debug("Instantiate sheet " + sheet.getName()); - - Cell[] firstRow = sheet.getRow(0); - - // TODO: ability to map sheet names and class names - String className = sheet.getName(); - Class clss = classLoader.loadClass(className); - model.put(clss, new HashMap()); - - tempRefs.put(sheet.getName(), new ArrayList()); - - String keyProperty = firstRow[0].getContents(); - for (int row = 1; row < sheet.getRows(); row++) { - if (log.isTraceEnabled()) - log.trace(" row " + row); - - Cell[] currentRow = sheet.getRow(row); - BeanWrapper bw = new BeanWrapperImpl(clss); - for (int col = 0; col < firstRow.length; col++) { - String pName = firstRow[col].getContents(); - - Cell cell = currentRow[col]; - if (cell instanceof FormulaCell) { - String formula = ((FormulaCell) cell).getFormula(); - int index = formula.indexOf('!'); - String targetSheet = formula.substring(0, index); - // assume no double letters!! - String targetRowStr = formula.substring(index + 2); - if (targetRowStr.charAt(0) == '$') - targetRowStr = targetRowStr.substring(1); - Integer targetRow = Integer.parseInt(targetRowStr); - links.add(new Reference(bw.getWrappedInstance(), - pName, targetSheet, targetRow)); - - if (log.isTraceEnabled()) - log.debug(" formula: " + formula - + " | content: " + cell.getContents() - + " | targetSheet=" + targetSheet - + ", targetRow=" + targetRow); - } else { - String contents = cell.getContents(); - if (pName.equals(keyProperty) - && !StringUtils.hasText(contents)) { - // auto allocate key column if empty - contents = Integer.toString(row); - } - - if (pName.charAt(0) == '#') {// externalRef - links.add(new Reference( - bw.getWrappedInstance(), pName - .substring(1), contents)); - } else { - bw.setPropertyValue(pName, contents); - } - - if (log.isTraceEnabled()) - log.debug(" " + pName + "=" + contents); - } - }// properties set - - model.get(clss).put(bw.getPropertyValue(keyProperty), - bw.getWrappedInstance()); - tempRefs.get(sheet.getName()).add(bw.getWrappedInstance()); + loadSheet(sheet, references, tempRefs); + } + } catch (Exception e) { + throw new ArgeoServerException("Cannot load workbook", e); + } + } + + protected void loadSheet(Sheet sheet, List references, + Map> tempRefs) throws JXLException { + if (log.isTraceEnabled()) + log.debug("Instantiate sheet " + sheet.getName()); + + Cell[] firstRow = sheet.getRow(0); + + Class clss = findClassToInstantiate(sheet); + model.put(clss, new TreeMap()); + + tempRefs.put(sheet.getName(), new ArrayList()); + + String keyProperty = firstRow[0].getContents(); + for (int row = 1; row < sheet.getRows(); row++) { + if (log.isTraceEnabled()) + log.trace(" row " + row); + + Cell[] currentRow = sheet.getRow(row); + BeanWrapper bw = new BeanWrapperImpl(clss); + cells: for (int col = 0; col < firstRow.length; col++) { + String pName = firstRow[col].getContents(); + + if (col < currentRow.length) { + Cell cell = currentRow[col]; + if (overrideCell(cell, bw, pName, keyProperty, row, + references, tempRefs)) + continue cells; + loadCell(cell, bw, pName, keyProperty, row, references); } + }// cells + + model.get(clss).put(bw.getPropertyValue(keyProperty), + bw.getWrappedInstance()); + tempRefs.get(sheet.getName()).add(bw.getWrappedInstance()); + } + + if (log.isDebugEnabled()) + log.debug(model.get(clss).size() + " objects of type " + clss + + " instantiated"); - if (log.isDebugEnabled()) - log.debug(model.get(clss).size() + " objects of type " - + clss + " instantiated"); + } + + protected void loadCell(Cell cell, BeanWrapper bw, String propertyName, + String keyProperty, Integer row, List references) + throws JXLException { + + if (cell instanceof FormulaCell) { + String formula = ((FormulaCell) cell).getFormula(); + int index = formula.indexOf('!'); + if (index < 0) + throw new ArgeoServerException("Cannot interpret formula " + + formula); + ; + String targetSheet = formula.substring(0, index); + // assume no double letters!! + String targetRowStr = formula.substring(index + 2); + if (targetRowStr.charAt(0) == '$') + targetRowStr = targetRowStr.substring(1); + Integer targetRow = Integer.parseInt(targetRowStr); + references.add(new Reference(bw.getWrappedInstance(), propertyName, + targetSheet, targetRow)); + + if (log.isTraceEnabled()) + log.debug(" formula: " + formula + " | content: " + + cell.getContents() + " | targetSheet=" + targetSheet + + ", targetRow=" + targetRow); + } else { + String contents = cell.getContents(); + +// if (cell.getType() == CellType.LABEL) { +// LabelCell lc = (LabelCell) cell; +// contents = lc.getString(); +// } else if (cell.getType() == CellType.NUMBER) { +// NumberCell nc = (NumberCell) cell; +// contents = new Double(nc.getValue()).toString(); +// } else { +// contents = cell.getContents(); +// } + + if (propertyName.equals(keyProperty) + && !StringUtils.hasText(contents)) { + // auto allocate key column if empty + contents = Integer.toString(row); } - for (Reference link : links) { - BeanWrapper bw = new BeanWrapperImpl(link.object); - Object targetObject; - if (link.getExternalRef() != null) { - String ref = link.getExternalRef(); - if (externalRefs.containsKey(ref)) - targetObject = externalRefs.get(ref); - else if (applicationContext != null) - targetObject = applicationContext.getBean(ref); - else { - targetObject = null; - log.warn("Ref " + ref + " not found"); - } - } else { - targetObject = tempRefs.get(link.getTargetSheet()).get( - link.targetRow - 2); - } - bw.setPropertyValue(link.property, targetObject); + if (propertyName.charAt(0) == '#') {// externalRef + references.add(new Reference(bw.getWrappedInstance(), + propertyName.substring(1), contents)); + } else { + bw.setPropertyValue(propertyName, contents); } - if (log.isDebugEnabled()) - log.debug(links.size() + " references linked"); - } catch (Exception e) { - throw new ArgeoServerException("Cannot load workbook", e); + if (log.isTraceEnabled()) + log.debug(" " + propertyName + "=" + contents); + } + + } + + /** Returns true if property was set (thus bypassing standard process). */ + protected Boolean overrideCell(Cell cell, BeanWrapper bw, + String propertyName, String keyProperty, Integer row, + List references, Map> tempRefs) { + return false; + } + + protected void injectReference(Reference reference, + Map> tempRefs) { + BeanWrapper bw = new BeanWrapperImpl(reference.object); + Object targetObject; + if (reference.getExternalRef() != null) { + String ref = reference.getExternalRef(); + if (externalRefs.containsKey(ref)) + targetObject = externalRefs.get(ref); + else if (applicationContext != null) + targetObject = applicationContext.getBean(ref); + else { + targetObject = null; + log.warn("Ref " + ref + " not found"); + } + } else { + targetObject = tempRefs.get(reference.getTargetSheet()).get( + reference.targetRow - 2); } + bw.setPropertyValue(reference.property, targetObject); + + } + + protected Class findClassToInstantiate(Sheet sheet) { + // TODO: ability to map sheet names and class names + String className = sheet.getName(); + Class clss = null; + try { + clss = classLoader.loadClass(className); + return clss; + } catch (ClassNotFoundException e) { + // silent + } + + scannedPkgs: for (String pkg : scannedPackages) { + try { + clss = classLoader.loadClass(pkg.trim() + "." + className); + break scannedPkgs; + } catch (ClassNotFoundException e) { + // silent + if (log.isTraceEnabled()) + log.trace(e.getMessage()); + } + } + + if (clss == null) + throw new ArgeoServerException("Cannot find a class for sheet " + + sheet.getName()); + + return clss; } @SuppressWarnings("unchecked") @@ -145,10 +263,36 @@ public class JxlDaoSupport implements ApplicationContextAware { return (T) model.get(findClass(clss)).get(key); } + /** + * Slow. + * + * @return the first found + */ + public T getByField(Class clss, String field, Object value) { + List all = list(clss, null); + T res = null; + for (T obj : all) { + if (new BeanWrapperImpl(obj).getPropertyValue(field).equals(value)) { + res = obj; + break; + } + } + return res; + } + @SuppressWarnings("unchecked") public List list(Class clss, Object filter) { - return new ArrayList((Collection) model.get(findClass(clss)) - .values()); + List res = new ArrayList(); + + Class classToUse = findClass(clss); + if (classToUse != null) + res.addAll((Collection) model.get(classToUse).values()); + + if (applicationContext != null) + res.addAll(new GenericBeanFactoryAccessor(applicationContext) + .getBeansOfType(clss).values()); + + return res; } @SuppressWarnings("unchecked") @@ -160,8 +304,7 @@ public class JxlDaoSupport implements ApplicationContextAware { if (parent.isAssignableFrom(clss)) return clss;// return the first found } - throw new ArgeoServerException("No implementing class found for " - + parent); + return null; } public void setApplicationContext(ApplicationContext applicationContext) @@ -177,6 +320,38 @@ public class JxlDaoSupport implements ApplicationContextAware { return externalRefs; } + public void setScannedPackages(List scannedPackages) { + this.scannedPackages = scannedPackages; + } + + public List getScannedPackages() { + return scannedPackages; + } + + public void setWorkbooks(List workbooks) { + this.workbooks = workbooks; + } + + public List getWorkbooks() { + return workbooks; + } + + public void setClassLoader(ClassLoader classLoader) { + this.classLoader = classLoader; + } + + public List> getAdditionalClasses() { + return additionalClasses; + } + + public void setAdditionalClasses(List> additionalClasses) { + this.additionalClasses = additionalClasses; + } + + public void setCharset(Integer charset) { + this.charset = charset; + } + public static class Reference { private Object object; private String property;