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- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- /* $Id$ */
-
- package org.apache.fop.apps;
-
- import java.io.File;
- import java.io.IOException;
- import java.net.MalformedURLException;
- import java.net.URI;
- import java.net.URISyntaxException;
- import java.util.HashMap;
- import java.util.Map;
-
- import org.xml.sax.SAXException;
-
- import org.apache.avalon.framework.configuration.Configuration;
- import org.apache.avalon.framework.configuration.ConfigurationException;
- import org.apache.avalon.framework.configuration.DefaultConfigurationBuilder;
- import org.apache.commons.logging.Log;
- import org.apache.commons.logging.LogFactory;
-
- import org.apache.xmlgraphics.image.GraphicsConstants;
- import org.apache.xmlgraphics.image.loader.spi.ImageImplRegistry;
- import org.apache.xmlgraphics.image.loader.util.Penalty;
-
- import org.apache.fop.fonts.FontManagerConfigurator;
- import org.apache.fop.hyphenation.HyphenationTreeCache;
- import org.apache.fop.util.LogUtil;
-
- /**
- * FopFactory configurator
- */
- public class FopFactoryConfigurator {
-
- /** Defines if FOP should use an alternative rule to determine text indents */
- public static final boolean DEFAULT_BREAK_INDENT_INHERITANCE = false;
-
- /** Defines if FOP should validate the user config strictly */
- public static final boolean DEFAULT_STRICT_USERCONFIG_VALIDATION = true;
-
- /** Defines if FOP should use strict validation for FO and user config */
- public static final boolean DEFAULT_STRICT_FO_VALIDATION = true;
-
- /** Defines the default page-width */
- public static final String DEFAULT_PAGE_WIDTH = "8.26in";
-
- /** Defines the default page-height */
- public static final String DEFAULT_PAGE_HEIGHT = "11in";
-
- /** Defines the default source resolution (72dpi) for FOP */
- public static final float DEFAULT_SOURCE_RESOLUTION = GraphicsConstants.DEFAULT_DPI; //dpi
-
- /** Defines the default target resolution (72dpi) for FOP */
- public static final float DEFAULT_TARGET_RESOLUTION = GraphicsConstants.DEFAULT_DPI; //dpi
-
- /** Defines the default complex script support */
- public static final boolean DEFAULT_COMPLEX_SCRIPT_FEATURES = true;
-
- private static final String PREFER_RENDERER = "prefer-renderer";
-
- /** logger instance */
- private final Log log = LogFactory.getLog(FopFactoryConfigurator.class);
-
- /** Fop factory */
- private FopFactory factory = null;
-
- /** Fop factory configuration */
- private Configuration cfg = null;
-
- /** The base URI of the configuration file **/
- private URI baseURI = null;
-
- /**
- * Default constructor
- * @param factory fop factory
- */
- public FopFactoryConfigurator(FopFactory factory) {
- super();
- this.factory = factory;
- }
-
- /**
- * Initializes user agent settings from the user configuration
- * file, if present: baseURL, resolution, default page size,...
- * @param factory fop factory
- * @throws FOPException fop exception
- */
- public void configure(FopFactory factory) throws FOPException { // CSOK: MethodLength
- // strict configuration
- if (cfg.getChild("strict-configuration", false) != null) {
- try {
- factory.setStrictUserConfigValidation(
- cfg.getChild("strict-configuration").getValueAsBoolean());
- } catch (ConfigurationException e) {
- LogUtil.handleException(log, e, false);
- }
- }
- boolean strict = factory.validateUserConfigStrictly();
- if (log.isDebugEnabled()) {
- log.debug("Initializing FopFactory Configuration"
- + "with " + (strict ? "strict" : "permissive") + " validation");
- }
-
- if (cfg.getChild("accessibility", false) != null) {
- try {
- this.factory.setAccessibility(
- cfg.getChild("accessibility").getValueAsBoolean());
- } catch (ConfigurationException e) {
- LogUtil.handleException(log, e, strict);
- }
- }
-
- // strict fo validation
- if (cfg.getChild("strict-validation", false) != null) {
- try {
- factory.setStrictValidation(
- cfg.getChild("strict-validation").getValueAsBoolean());
- } catch (ConfigurationException e) {
- LogUtil.handleException(log, e, strict);
- }
- }
-
- // base definitions for relative path resolution
- if (cfg.getChild("base", false) != null) {
- String path = cfg.getChild("base").getValue(null);
- if (baseURI != null) {
- path = baseURI.resolve(path).normalize().toString();
- }
- try {
- factory.setBaseURL(path);
- } catch (MalformedURLException mfue) {
- LogUtil.handleException(log, mfue, strict);
- }
- }
- if (cfg.getChild("hyphenation-base", false) != null) {
- String path = cfg.getChild("hyphenation-base").getValue(null);
- if (baseURI != null) {
- path = baseURI.resolve(path).normalize().toString();
- }
- try {
- factory.setHyphenBaseURL(path);
- } catch (MalformedURLException mfue) {
- LogUtil.handleException(log, mfue, strict);
- }
- }
-
- /**
- * Read configuration elements hyphenation-pattern,
- * construct a map ll_CC => filename, and set it on the factory
- */
- Configuration[] hyphPatConfig = cfg.getChildren("hyphenation-pattern");
- if (hyphPatConfig.length != 0) {
- Map/*<String,String>*/ hyphPatNames = new HashMap/*<String,String>*/();
- for (int i = 0; i < hyphPatConfig.length; ++i) {
- String lang;
- String country;
- String filename;
- StringBuffer error = new StringBuffer();
- String location = hyphPatConfig[i].getLocation();
-
- lang = hyphPatConfig[i].getAttribute("lang", null);
- if (lang == null) {
- addError("The lang attribute of a hyphenation-pattern configuration"
- + " element must exist (" + location + ")", error);
- } else if (!lang.matches("[a-zA-Z]{2}")) {
- addError("The lang attribute of a hyphenation-pattern configuration"
- + " element must consist of exactly two letters ("
- + location + ")", error);
- }
- lang = lang.toLowerCase();
-
- country = hyphPatConfig[i].getAttribute("country", null);
- if ("".equals(country)) {
- country = null;
- }
- if (country != null) {
- if (!country.matches("[a-zA-Z]{2}")) {
- addError("The country attribute of a hyphenation-pattern configuration"
- + " element must consist of exactly two letters ("
- + location + ")", error);
- }
- country = country.toUpperCase();
- }
-
- filename = hyphPatConfig[i].getValue(null);
- if (filename == null) {
- addError("The value of a hyphenation-pattern configuration"
- + " element may not be empty (" + location + ")", error);
- }
-
- if (error.length() != 0) {
- LogUtil.handleError(log, error.toString(), strict);
- continue;
- }
-
- String llccKey = HyphenationTreeCache.constructLlccKey(lang, country);
- hyphPatNames.put(llccKey, filename);
- if (log.isDebugEnabled()) {
- log.debug("Using hyphenation pattern filename " + filename
- + " for lang=\"" + lang + "\""
- + (country != null ? ", country=\"" + country + "\"" : ""));
- }
- }
- factory.setHyphPatNames(hyphPatNames);
- }
-
- // renderer options
- if (cfg.getChild("source-resolution", false) != null) {
- factory.setSourceResolution(
- cfg.getChild("source-resolution").getValueAsFloat(
- FopFactoryConfigurator.DEFAULT_SOURCE_RESOLUTION));
- if (log.isDebugEnabled()) {
- log.debug("source-resolution set to: " + factory.getSourceResolution()
- + "dpi (px2mm=" + factory.getSourcePixelUnitToMillimeter() + ")");
- }
- }
- if (cfg.getChild("target-resolution", false) != null) {
- factory.setTargetResolution(
- cfg.getChild("target-resolution").getValueAsFloat(
- FopFactoryConfigurator.DEFAULT_TARGET_RESOLUTION));
- if (log.isDebugEnabled()) {
- log.debug("target-resolution set to: " + factory.getTargetResolution()
- + "dpi (px2mm=" + factory.getTargetPixelUnitToMillimeter()
- + ")");
- }
- }
- if (cfg.getChild("break-indent-inheritance", false) != null) {
- try {
- factory.setBreakIndentInheritanceOnReferenceAreaBoundary(
- cfg.getChild("break-indent-inheritance").getValueAsBoolean());
- } catch (ConfigurationException e) {
- LogUtil.handleException(log, e, strict);
- }
- }
- Configuration pageConfig = cfg.getChild("default-page-settings");
- if (pageConfig.getAttribute("height", null) != null) {
- factory.setPageHeight(
- pageConfig.getAttribute("height", FopFactoryConfigurator.DEFAULT_PAGE_HEIGHT));
- if (log.isInfoEnabled()) {
- log.info("Default page-height set to: " + factory.getPageHeight());
- }
- }
- if (pageConfig.getAttribute("width", null) != null) {
- factory.setPageWidth(
- pageConfig.getAttribute("width", FopFactoryConfigurator.DEFAULT_PAGE_WIDTH));
- if (log.isInfoEnabled()) {
- log.info("Default page-width set to: " + factory.getPageWidth());
- }
- }
-
- // prefer Renderer over IFDocumentHandler
- if (cfg.getChild(PREFER_RENDERER, false) != null) {
- try {
- factory.getRendererFactory().setRendererPreferred(
- cfg.getChild(PREFER_RENDERER).getValueAsBoolean());
- } catch (ConfigurationException e) {
- LogUtil.handleException(log, e, strict);
- }
- }
-
- // configure complex script support
- Configuration csConfig = cfg.getChild("complex-scripts");
- if (csConfig != null) {
- this.factory.setComplexScriptFeaturesEnabled
- (!csConfig.getAttributeAsBoolean ( "disabled", false ));
- }
-
- // configure font manager
- new FontManagerConfigurator(cfg, baseURI).configure(factory.getFontManager(), strict);
-
- // configure image loader framework
- configureImageLoading(cfg.getChild("image-loading", false), strict);
- }
-
- private static void addError(String message, StringBuffer error) {
- if (error.length() != 0) {
- error.append(". ");
- }
- error.append(message);
- }
-
- private void configureImageLoading(Configuration parent, boolean strict) throws FOPException {
- if (parent == null) {
- return;
- }
- ImageImplRegistry registry = factory.getImageManager().getRegistry();
- Configuration[] penalties = parent.getChildren("penalty");
- try {
- for (int i = 0, c = penalties.length; i < c; i++) {
- Configuration penaltyCfg = penalties[i];
- String className = penaltyCfg.getAttribute("class");
- String value = penaltyCfg.getAttribute("value");
- Penalty p = null;
- if (value.toUpperCase().startsWith("INF")) {
- p = Penalty.INFINITE_PENALTY;
- } else {
- try {
- p = Penalty.toPenalty(Integer.parseInt(value));
- } catch (NumberFormatException nfe) {
- LogUtil.handleException(log, nfe, strict);
- }
- }
- if (p != null) {
- registry.setAdditionalPenalty(className, p);
- }
- }
- } catch (ConfigurationException e) {
- LogUtil.handleException(log, e, strict);
- }
- }
-
- /**
- * Set the user configuration.
- * @param userConfigFile the configuration file
- * @throws IOException if an I/O error occurs
- * @throws SAXException if a parsing error occurs
- */
- public void setUserConfig(File userConfigFile) throws SAXException, IOException {
- try {
- DefaultConfigurationBuilder cfgBuilder = new DefaultConfigurationBuilder();
- setUserConfig(cfgBuilder.buildFromFile(userConfigFile));
- } catch (ConfigurationException e) {
- throw new FOPException(e);
- }
- }
-
- /**
- * Set the user configuration from an URI.
- * @param uri the URI to the configuration file
- * @throws IOException if an I/O error occurs
- * @throws SAXException if a parsing error occurs
- */
- public void setUserConfig(String uri) throws SAXException, IOException {
- try {
- DefaultConfigurationBuilder cfgBuilder = new DefaultConfigurationBuilder();
- setUserConfig(cfgBuilder.build(uri));
- } catch (ConfigurationException e) {
- throw new FOPException(e);
- }
- }
-
- /**
- * Set the user configuration.
- * @param cfg avalon configuration
- * @throws FOPException if a configuration problem occurs
- */
- public void setUserConfig(Configuration cfg) throws FOPException {
- this.cfg = cfg;
- setBaseURI();
- configure(this.factory);
- }
-
- /**
- * Get the avalon user configuration.
- * @return the user configuration
- */
- public Configuration getUserConfig() {
- return this.cfg;
- }
-
- /**
- * @return the baseURI
- */
- public URI getBaseURI() {
- return baseURI;
- }
-
- /**
- * @param baseURI the baseURI to set
- */
- public void setBaseURI(URI baseURI) {
- this.baseURI = baseURI;
- }
-
- private void setBaseURI() throws FOPException {
- String loc = cfg.getLocation();
- try {
- if (loc != null && loc.startsWith("file:")) {
- baseURI = new URI(loc);
- baseURI = baseURI.resolve(".").normalize();
- }
- if (baseURI == null) {
- baseURI = new File(System.getProperty("user.dir")).toURI();
- }
- } catch (URISyntaxException e) {
- throw new FOPException(e);
- }
- }
-
- }
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