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package org.apache.commons.flatfile.morph; |
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import java.util.Arrays; |
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import java.util.HashSet; |
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import java.util.Iterator; |
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import org.apache.commons.flatfile.Entity; |
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import org.apache.commons.flatfile.EntityCollection; |
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import net.sf.morph.Defaults; |
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import net.sf.morph.reflect.IndexedContainerReflector; |
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import net.sf.morph.reflect.reflectors.BaseContainerReflector; |
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import net.sf.morph.reflect.reflectors.ObjectReflector; |
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import net.sf.morph.transform.DecoratedConverter; |
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import net.sf.morph.util.ClassUtils; |
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37 | 1552 | public abstract class BaseEntityCollectionReflector extends BaseContainerReflector { |
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private abstract class PropertyAccessor { |
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protected String propertyName; |
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51 | 4962 | protected PropertyAccessor(String propertyName) { |
52 | 4962 | this.propertyName = propertyName; |
53 | 4962 | } |
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final Class<?> getTypeFrom(Object bean) throws Exception { |
62 | 930 | if (isEntity(bean, propertyName)) { |
63 | 546 | return getEntityType(getEntity(bean, propertyName)); |
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} |
65 | 384 | return FALLBACK.getType(bean, propertyName); |
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} |
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abstract Class<?> getEntityType(Entity entity) throws Exception; |
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final Object getFrom(Object bean) throws Exception { |
83 | 888 | if (isEntity(bean, propertyName)) { |
84 | 588 | return getEntityValue(getEntity(bean, propertyName)); |
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} |
86 | 300 | return FALLBACK.get(bean, propertyName); |
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} |
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abstract Object getEntityValue(Entity entity) throws Exception; |
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final void setOn(Object bean, Object propertyValue) throws Exception { |
104 | 228 | if (isEntity(bean, propertyName)) { |
105 | 132 | setEntityValueOn(bean, getEntity(bean, propertyName), propertyValue); |
106 | 44 | } else { |
107 | 96 | FALLBACK.set(bean, propertyName, propertyValue); |
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} |
109 | 228 | } |
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abstract void setEntityValueOn(Object bean, Entity e, Object propertyValue) |
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throws Exception; |
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final boolean isReadableOn(Object bean) throws Exception { |
128 | 2106 | return isEntity(bean, propertyName) || FALLBACK.isReadable(bean, propertyName); |
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} |
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final boolean isWriteableOn(Object bean) throws Exception { |
138 | 810 | return isEntity(bean, propertyName) || FALLBACK.isWriteable(bean, propertyName); |
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} |
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} |
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private class OverridingPropertyAccessor extends PropertyAccessor { |
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150 | 192 | public OverridingPropertyAccessor(String propertyName) { |
151 | 192 | super(propertyName.substring(TYPE_OVERRIDE.length())); |
152 | 192 | } |
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Class<?> getEntityType(Entity e) { |
158 | 0 | return ClassUtils.getClass(e); |
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} |
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Object getEntityValue(Entity e) { |
165 | 48 | return e; |
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} |
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void setEntityValueOn(Object bean, Entity e, Object propertyValue) throws Exception { |
172 | 0 | FALLBACK.set(bean, propertyName, propertyValue); |
173 | 0 | } |
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} |
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private class DefaultPropertyAccessor extends PropertyAccessor { |
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184 | 4770 | public DefaultPropertyAccessor(String propertyName) { |
185 | 4770 | super(propertyName); |
186 | 4770 | } |
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Class<?> getEntityType(Entity e) { |
192 | 546 | return e instanceof EntityCollection ? EntityCollection.class : String.class; |
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} |
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Object getEntityValue(Entity e) { |
199 | 540 | return e instanceof EntityCollection ? (Object) e : getString(e); |
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} |
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void setEntityValueOn(Object bean, Entity e, Object propertyValue) throws Exception { |
206 | 132 | setEntityValue(e, propertyValue); |
207 | 132 | } |
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} |
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public static final String TYPE_OVERRIDE = "@"; |
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213 | 566 | private static final ObjectReflector FALLBACK = new ObjectReflector(); |
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private DecoratedConverter toTextConverter; |
216 | 72 | private boolean trimStrings = true; |
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public boolean isTrimStrings() { |
223 | 504 | return trimStrings; |
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} |
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public void setTrimStrings(boolean trimStrings) { |
231 | 0 | this.trimStrings = trimStrings; |
232 | 0 | } |
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@Override |
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protected Class<?> getContainedTypeImpl(@SuppressWarnings("rawtypes") Class c) throws Exception { |
239 | 18 | return Entity.class; |
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} |
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@Override |
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protected Iterator<Entity> getIteratorImpl(Object o) throws Exception { |
247 | 0 | return ((EntityCollection) o).getChildren().iterator(); |
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} |
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@Override |
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protected int getSizeImpl(Object o) throws Exception { |
255 | 0 | return ((EntityCollection) o).getChildren().size(); |
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} |
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@Override |
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protected Class<?> getTypeImpl(Object bean, String propertyName) throws Exception { |
263 | 930 | return getPropertyAccessor(propertyName).getTypeFrom(bean); |
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} |
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@Override |
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protected Object getImpl(Object container, int index) throws Exception { |
271 | 36 | Entity e = getEntity(container, index); |
272 | 36 | return e instanceof EntityCollection ? (Object) e : getString(e); |
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} |
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@Override |
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protected Object getImpl(Object bean, String propertyName) throws Exception { |
280 | 888 | return getPropertyAccessor(propertyName).getFrom(bean); |
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} |
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@Override |
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protected void setImpl(Object bean, String propertyName, Object value) throws Exception { |
288 | 228 | getPropertyAccessor(propertyName).setOn(bean, value); |
289 | 228 | } |
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@Override |
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protected Object setImpl(Object container, int index, Object propertyValue) throws Exception { |
296 | 0 | Entity e = getEntity(container, index); |
297 | 0 | byte[] result = e.getValue(); |
298 | 0 | setEntityValue(e, propertyValue); |
299 | 0 | return result; |
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} |
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protected void setEntityValue(Entity e, Object value) throws Exception { |
309 | 132 | e.setValue((byte[]) getToTextConverter().convert(byte[].class, value)); |
310 | 132 | } |
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@Override |
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protected String[] getPropertyNamesImpl(Object bean) throws Exception { |
317 | 2124 | HashSet<String> result = new HashSet<String>(); |
318 | 2124 | if (this instanceof IndexedContainerReflector) { |
319 | 486 | result.addAll(Arrays.asList(super.getPropertyNamesImpl(bean))); |
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} |
321 | 2124 | String[] fallback = FALLBACK.getPropertyNames(bean); |
322 | 2124 | if (fallback != null && fallback.length > 0) { |
323 | 2124 | result.addAll(Arrays.asList(fallback)); |
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325 | 19422 | for (int i = 0; i < fallback.length; i++) { |
326 | 17298 | result.add("@" + fallback[i]); |
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} |
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} |
329 | 2124 | return result.toArray(new String[result.size()]); |
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} |
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protected abstract boolean isEntity(Object bean, String propertyName) throws Exception; |
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protected Entity getEntity(Object bean, String propertyName) throws Exception { |
349 | 0 | return getEntity(bean, Integer.parseInt(propertyName)); |
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} |
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protected Entity getEntity(Object container, int index) throws Exception { |
361 | 0 | throw new UnsupportedOperationException(); |
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} |
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@Override |
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protected boolean isReadableImpl(Object bean, String propertyName) throws Exception { |
369 | 2106 | return getPropertyAccessor(propertyName).isReadableOn(bean); |
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} |
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@Override |
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protected boolean isWriteableImpl(Object bean, String propertyName) throws Exception { |
377 | 810 | return getPropertyAccessor(propertyName).isWriteableOn(bean); |
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} |
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public synchronized DecoratedConverter getToTextConverter() { |
385 | 132 | if (toTextConverter == null) { |
386 | 24 | setToTextConverter(Defaults.createToTextConverter()); |
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} |
388 | 132 | return toTextConverter; |
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} |
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public synchronized void setToTextConverter(DecoratedConverter toTextConverter) { |
396 | 24 | this.toTextConverter = toTextConverter; |
397 | 24 | } |
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private PropertyAccessor getPropertyAccessor(String propertyName) { |
405 | 6616 | return propertyName.startsWith(TYPE_OVERRIDE) ? (PropertyAccessor) new OverridingPropertyAccessor( |
406 | 64 | propertyName) |
407 | 1590 | : new DefaultPropertyAccessor(propertyName); |
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} |
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416 | 168 | private String getString(Entity e) { |
417 | 504 | String s = new String(e.getValue()); |
418 | 504 | return isTrimStrings() ? s.trim() : s; |
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} |
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} |