Java tutorial
/* * Weblounge: Web Content Management System * Copyright (c) 2003 - 2011 The Weblounge Team * http://entwinemedia.com/weblounge * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program; if not, write to the Free Software Foundation * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ package ch.entwine.weblounge.common.impl.content.image; import ch.entwine.weblounge.common.content.ResourceURI; import ch.entwine.weblounge.common.content.image.ImageContent; import ch.entwine.weblounge.common.content.image.ImageResource; import ch.entwine.weblounge.common.content.page.Page; import ch.entwine.weblounge.common.language.Language; import ch.entwine.weblounge.common.language.Localizable; import ch.entwine.weblounge.common.security.Authority; import ch.entwine.weblounge.common.security.Permission; import ch.entwine.weblounge.common.security.PermissionSet; import ch.entwine.weblounge.common.security.SecurityListener; import ch.entwine.weblounge.common.security.User; import org.apache.commons.io.IOUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.lang.ref.WeakReference; import java.util.Date; import java.util.Set; /** * Implementation of a lazy loading image. */ public class LazyImageResourceImpl implements ImageResource { /** The logging facility */ private static final Logger logger = LoggerFactory.getLogger(LazyImageResourceImpl.class); /** The image content as a byte array containing the image's xml */ protected String imageXml = null; /** The image content as a byte array containing the image header's xml */ protected String headerXml = null; /** The image content as a byte array containing the image preview's xml */ protected String previewXml = null; /** The backing image */ protected ImageResource image = null; /** True if the image header was loaded */ protected boolean isHeaderLoaded = false; /** True if the image body was loaded */ protected boolean isBodyLoaded = false; /** The image reader */ protected WeakReference<ImageResourceReader> readerRef = null; /** The image uri */ protected ResourceURI uri = null; /** * Creates a new lazy image. * * @param uri * the image uri * @param imageXml * the full image xml * @param headerXml * the head section's xml * @param previewXml * the image preview's xml */ public LazyImageResourceImpl(ResourceURI uri, String imageXml, String headerXml, String previewXml) { this.uri = uri; this.imageXml = imageXml; this.headerXml = headerXml; this.previewXml = previewXml; } /** * Loads the complete image. */ protected void loadImage() { try { // Get a hold of the image reader ImageResourceReader reader = (readerRef != null) ? readerRef.get() : null; if (reader == null) { reader = new ImageResourceReader(); // No need to keep the reference, since we're done after this } // Load the image image = reader.read(IOUtils.toInputStream(imageXml, "utf-8"), uri.getSite()); isHeaderLoaded = true; isBodyLoaded = true; cleanupAfterLoading(); } catch (Throwable e) { logger.error("Failed to lazy-load body of {}", uri); throw new IllegalStateException("Failed to lazy-load body of " + uri, e); } } /** * Loads the image header only. */ protected void loadImageHeader() { try { // Get a hold of the image reader ImageResourceReader reader = (readerRef != null) ? readerRef.get() : null; if (reader == null) { reader = new ImageResourceReader(); readerRef = new WeakReference<ImageResourceReader>(reader); } // If no separate header was given, then we need to load the whole thing // instead. if (headerXml == null) { loadImage(); return; } // Load the image header image = reader.readHeader(IOUtils.toInputStream(headerXml, "utf-8"), uri.getSite()); isHeaderLoaded = true; if (isHeaderLoaded && isBodyLoaded) cleanupAfterLoading(); else headerXml = null; } catch (Throwable e) { logger.error("Failed to lazy-load header of {}", uri); throw new IllegalStateException(e); } } /** * Loads the image body only. */ protected void loadImageBody() { try { // Get a hold of the image reader ImageResourceReader reader = (readerRef != null) ? readerRef.get() : null; if (reader == null) { reader = new ImageResourceReader(); readerRef = new WeakReference<ImageResourceReader>(reader); } // Load the image body image = reader.readBody(IOUtils.toInputStream(imageXml, "utf-8"), uri.getSite()); isBodyLoaded = true; if (isHeaderLoaded && isBodyLoaded) cleanupAfterLoading(); else if (headerXml != null) imageXml = null; } catch (Throwable e) { logger.error("Failed to lazy-load body of {}: {}", uri, e.getMessage()); throw new IllegalStateException(e); } } /** * Removes all data that was being held for lazy loading purposes. */ protected void cleanupAfterLoading() { headerXml = null; imageXml = null; previewXml = null; if (readerRef != null) readerRef.clear(); } /** * Returns <code>true</code> if the image header has been loaded already. * * @return <code>true</code> if the image header has been loaded */ public boolean isHeaderLoaded() { return isHeaderLoaded; } /** * Returns <code>true</code> if the image body has been loaded already. * * @return <code>true</code> if the image body has been loaded */ public boolean isBodyLoaded() { return isBodyLoaded; } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#addSubject(java.lang.String) */ public void addSubject(String subject) { if (!isHeaderLoaded) loadImageHeader(); image.addSubject(subject); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#addSeries(java.lang.String) */ public void addSeries(String series) { if (!isHeaderLoaded) loadImageHeader(); image.addSeries(series); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#getCoverage() */ public String getCoverage() { if (!isHeaderLoaded) loadImageHeader(); return image.getCoverage(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#getCoverage(ch.entwine.weblounge.common.language.Language) */ public String getCoverage(Language language) { if (!isHeaderLoaded) loadImageHeader(); return image.getCoverage(language); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#getCoverage(ch.entwine.weblounge.common.language.Language, * boolean) */ public String getCoverage(Language language, boolean force) { if (!isHeaderLoaded) loadImageHeader(); return image.getCoverage(language, force); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#getDescription() */ public String getDescription() { if (!isHeaderLoaded) loadImageHeader(); return image.getDescription(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#getDescription(ch.entwine.weblounge.common.language.Language) */ public String getDescription(Language language) { if (!isHeaderLoaded) loadImageHeader(); return image.getDescription(language); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#getDescription(ch.entwine.weblounge.common.language.Language, * boolean) */ public String getDescription(Language language, boolean force) { if (!isHeaderLoaded) loadImageHeader(); return image.getDescription(language, force); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#getIdentifier() */ public String getIdentifier() { return uri.getIdentifier(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#getLockOwner() */ public User getLockOwner() { if (!isHeaderLoaded) loadImageHeader(); return image.getLockOwner(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#getPath() */ public String getPath() { return uri.getPath(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#getRights() */ public String getRights() { if (!isHeaderLoaded) loadImageHeader(); return image.getRights(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#getRights(ch.entwine.weblounge.common.language.Language) */ public String getRights(Language language) { if (!isHeaderLoaded) loadImageHeader(); return image.getRights(language); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#getRights(ch.entwine.weblounge.common.language.Language, * boolean) */ public String getRights(Language language, boolean force) { if (!isHeaderLoaded) loadImageHeader(); return image.getRights(language, force); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#getSubjects() */ public String[] getSubjects() { if (!isHeaderLoaded) loadImageHeader(); return image.getSubjects(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#getSeries() */ public String[] getSeries() { if (!isHeaderLoaded) loadImageHeader(); return image.getSeries(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#getTitle() */ public String getTitle() { if (!isHeaderLoaded) loadImageHeader(); return image.getTitle(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#getTitle(ch.entwine.weblounge.common.language.Language) */ public String getTitle(Language language) { if (!isHeaderLoaded) loadImageHeader(); return image.getTitle(language); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#getTitle(ch.entwine.weblounge.common.language.Language, * boolean) */ public String getTitle(Language language, boolean force) { if (!isHeaderLoaded) loadImageHeader(); return image.getTitle(language, force); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#getType() */ public String getType() { if (!isHeaderLoaded) loadImageHeader(); return image.getType(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#getResourceURI() */ public ResourceURI getURI() { return uri; } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#getVersion() */ public long getVersion() { return uri.getVersion(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#hasSubject(java.lang.String) */ public boolean hasSubject(String subject) { if (!isHeaderLoaded) loadImageHeader(); return image.hasSubject(subject); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#hasSeries(java.lang.String) */ public boolean hasSeries(String series) { if (!isHeaderLoaded) loadImageHeader(); return image.hasSubject(series); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#isLocked() */ public boolean isLocked() { if (!isHeaderLoaded) loadImageHeader(); return image.isLocked(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#isPromoted() */ public boolean isPromoted() { if (!isHeaderLoaded) loadImageHeader(); return image.isPromoted(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#removeSubject(java.lang.String) */ public void removeSubject(String subject) { if (!isHeaderLoaded) loadImageHeader(); image.removeSubject(subject); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#removeSeries(java.lang.String) */ public void removeSeries(String series) { if (!isHeaderLoaded) loadImageHeader(); image.removeSeries(series); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#setCoverage(java.lang.String, * ch.entwine.weblounge.common.language.Language) */ public void setCoverage(String coverage, Language language) { if (!isHeaderLoaded) loadImageHeader(); image.setCoverage(coverage, language); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#setDescription(java.lang.String, * ch.entwine.weblounge.common.language.Language) */ public void setDescription(String description, Language language) { if (!isHeaderLoaded) loadImageHeader(); image.setDescription(description, language); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#setIdentifier(java.lang.String) */ public void setIdentifier(String identifier) { uri.setIdentifier(identifier); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#lock(ch.entwine.weblounge.common.security.User) */ public void lock(User user) throws IllegalStateException { if (!isHeaderLoaded) loadImageHeader(); image.lock(user); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#setCreated(ch.entwine.weblounge.common.security.User, * java.util.Date) */ public void setCreated(User user, Date date) { if (!isHeaderLoaded) loadImageHeader(); image.setCreated(user, date); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#setModified(ch.entwine.weblounge.common.security.User, * java.util.Date) */ public void setModified(User user, Date date) { if (!isHeaderLoaded) loadImageHeader(); image.setModified(user, date); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#setPromoted(boolean) */ public void setPromoted(boolean promoted) { if (!isHeaderLoaded) loadImageHeader(); image.setPromoted(promoted); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#setPublished(ch.entwine.weblounge.common.security.User, * java.util.Date, java.util.Date) */ public void setPublished(User publisher, Date from, Date to) { if (!isHeaderLoaded) loadImageHeader(); image.setPublished(publisher, from, to); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#setRights(java.lang.String, * ch.entwine.weblounge.common.language.Language) */ public void setRights(String rights, Language language) { if (!isHeaderLoaded) loadImageHeader(); image.setRights(rights, language); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#setTitle(java.lang.String, * ch.entwine.weblounge.common.language.Language) */ public void setTitle(String title, Language language) { if (!isHeaderLoaded) loadImageHeader(); image.setTitle(title, language); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#setType(java.lang.String) */ public void setType(String type) { if (!isHeaderLoaded) loadImageHeader(); image.setType(type); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#unlock() */ public User unlock() { if (!isHeaderLoaded) loadImageHeader(); return image.unlock(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#setVersion(long) */ public void setVersion(long version) { uri.setVersion(version); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.image.Page#toXml() */ public String toXml() { if (!isBodyLoaded) loadImageBody(); return image.toXml(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.language.Localizable#compareTo(ch.entwine.weblounge.common.language.Localizable, * ch.entwine.weblounge.common.language.Language) */ public int compareTo(Localizable o, Language l) { if (!isHeaderLoaded) loadImageHeader(); return image.compareTo(o, l); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.language.Localizable#languages() */ public Set<Language> languages() { if (!isHeaderLoaded) loadImageHeader(); return image.languages(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#contentLanguages() */ public Set<Language> contentLanguages() { if (!isBodyLoaded) loadImageBody(); return image.contentLanguages(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.language.Localizable#supportsLanguage(ch.entwine.weblounge.common.language.Language) */ public boolean supportsLanguage(Language language) { if (!isHeaderLoaded) loadImageHeader(); return image.supportsLanguage(language); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#supportsContentLanguage(ch.entwine.weblounge.common.language.Language) */ public boolean supportsContentLanguage(Language language) { if (!isBodyLoaded) loadImageBody(); return image.supportsContentLanguage(language); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.language.Localizable#switchTo(ch.entwine.weblounge.common.language.Language) */ public Language switchTo(Language language) { if (!isHeaderLoaded) loadImageHeader(); return image.switchTo(language); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.language.Localizable#toString(ch.entwine.weblounge.common.language.Language) */ public String toString(Language language) { if (!isHeaderLoaded) loadImageHeader(); return image.toString(language); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.language.Localizable#toString(ch.entwine.weblounge.common.language.Language, * boolean) */ public String toString(Language language, boolean force) { if (!isHeaderLoaded) loadImageHeader(); return image.toString(language, force); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Creatable#setCreationDate(java.util.Date) */ public void setCreationDate(Date date) { if (!isHeaderLoaded) loadImageHeader(); image.setCreationDate(date); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Creatable#getCreationDate() */ public Date getCreationDate() { if (!isHeaderLoaded) loadImageHeader(); return image.getCreationDate(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Creatable#isCreatedAfter(java.util.Date) */ public boolean isCreatedAfter(Date date) { if (!isHeaderLoaded) loadImageHeader(); return image.isCreatedAfter(date); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Creatable#setCreator(ch.entwine.weblounge.common.security.User) */ public void setCreator(User user) { if (!isHeaderLoaded) loadImageHeader(); image.setCreator(user); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Creatable#getCreator() */ public User getCreator() { if (!isHeaderLoaded) loadImageHeader(); return image.getCreator(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Modifiable#getModificationDate() */ public Date getModificationDate() { if (!isHeaderLoaded) loadImageHeader(); return image.getModificationDate(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Modifiable#getLastModified() */ @Override public Date getLastModified() { Date date = getModificationDate(); if (date != null) return date; date = getPublishFrom(); if (date != null) return date; return getCreationDate(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Modifiable#getModifier() */ public User getModifier() { if (!isHeaderLoaded) loadImageHeader(); return image.getModifier(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Modifiable#getLastModifier() */ @Override public User getLastModifier() { User user = getModifier(); if (user != null) return user; user = getPublisher(); if (user != null) return user; return getCreator(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Publishable#getPublishFrom() */ public Date getPublishFrom() { if (!isHeaderLoaded) loadImageHeader(); return image.getPublishFrom(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Publishable#getPublishTo() */ public Date getPublishTo() { if (!isHeaderLoaded) loadImageHeader(); return image.getPublishTo(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Publishable#getPublisher() */ public User getPublisher() { if (!isHeaderLoaded) loadImageHeader(); return image.getPublisher(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Publishable#isPublished() */ public boolean isPublished() { if (!isHeaderLoaded) loadImageHeader(); return image.isPublished(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Publishable#isPublished(java.util.Date) */ public boolean isPublished(Date date) { if (!isHeaderLoaded) loadImageHeader(); return image.isPublished(date); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.security.Securable#addSecurityListener(ch.entwine.weblounge.common.security.SecurityListener) */ public void addSecurityListener(SecurityListener listener) { if (!isHeaderLoaded) loadImageHeader(); image.addSecurityListener(listener); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.security.Securable#allow(ch.entwine.weblounge.common.security.Permission, * ch.entwine.weblounge.common.security.Authority) */ public void allow(Permission permission, Authority authority) { if (!isHeaderLoaded) loadImageHeader(); image.allow(permission, authority); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.security.Securable#check(ch.entwine.weblounge.common.security.Permission, * ch.entwine.weblounge.common.security.Authority) */ public boolean check(Permission permission, Authority authority) { if (!isHeaderLoaded) loadImageHeader(); return image.check(permission, authority); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.security.Securable#check(ch.entwine.weblounge.common.security.PermissionSet, * ch.entwine.weblounge.common.security.Authority) */ public boolean check(PermissionSet permissions, Authority authority) { if (!isHeaderLoaded) loadImageHeader(); return image.check(permissions, authority); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.security.Securable#checkAll(ch.entwine.weblounge.common.security.Permission, * ch.entwine.weblounge.common.security.Authority[]) */ public boolean checkAll(Permission permission, Authority[] authorities) { if (!isHeaderLoaded) loadImageHeader(); return image.checkAll(permission, authorities); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.security.Securable#checkOne(ch.entwine.weblounge.common.security.Permission, * ch.entwine.weblounge.common.security.Authority[]) */ public boolean checkOne(Permission permission, Authority[] authorities) { if (!isHeaderLoaded) loadImageHeader(); return image.checkOne(permission, authorities); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.security.Securable#deny(ch.entwine.weblounge.common.security.Permission, * ch.entwine.weblounge.common.security.Authority) */ public void deny(Permission permission, Authority authority) { if (!isHeaderLoaded) loadImageHeader(); image.deny(permission, authority); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.security.Securable#getOwner() */ public User getOwner() { if (!isHeaderLoaded) loadImageHeader(); return image.getOwner(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.security.Securable#permissions() */ public Permission[] permissions() { if (!isHeaderLoaded) loadImageHeader(); return image.permissions(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.security.Securable#removeSecurityListener(ch.entwine.weblounge.common.security.SecurityListener) */ public void removeSecurityListener(SecurityListener listener) { if (!isHeaderLoaded) loadImageHeader(); image.removeSecurityListener(listener); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.security.Securable#setOwner(ch.entwine.weblounge.common.security.User) */ public void setOwner(User owner) { if (!isHeaderLoaded) loadImageHeader(); image.setOwner(owner); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#setPath(java.lang.String) */ public void setPath(String path) { uri.setPath(path); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#getContent(ch.entwine.weblounge.common.language.Language) */ public ImageContent getContent(Language language) { if (!isBodyLoaded) loadImage(); return image.getContent(language); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#getOriginalContent() */ public ImageContent getOriginalContent() { if (!isBodyLoaded) loadImage(); return image.getOriginalContent(); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#addContent(ch.entwine.weblounge.common.content.ResourceContent) */ public void addContent(ImageContent content) { if (!isBodyLoaded) loadImage(); image.addContent(content); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#removeContent(ch.entwine.weblounge.common.language.Language) */ public ImageContent removeContent(Language language) { if (!isBodyLoaded) loadImage(); return image.removeContent(language); } /** * {@inheritDoc} * * @see ch.entwine.weblounge.common.content.Resource#contents() */ public Set<ImageContent> contents() { if (!isBodyLoaded) loadImage(); return image.contents(); } /** * {@inheritDoc} * * @see java.lang.Object#equals(java.lang.Object) */ @Override public boolean equals(Object obj) { if (obj != null && obj instanceof Page) { return uri.equals(((Page) obj).getURI()); } return false; } /** * {@inheritDoc} * * @see java.lang.Object#hashCode() */ @Override public int hashCode() { return uri.hashCode(); } /** * {@inheritDoc} * * @see java.lang.Object#toString() */ @Override public String toString() { return uri.toString(); } }