Source Code Cross Referenced for ReportContextImpl.java in  » Report » pentaho-report » org » jfree » report » data » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Report » pentaho report » org.jfree.report.data 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * ========================================
003:         * JFreeReport : a free Java report library
004:         * ========================================
005:         *
006:         * Project Info:  http://reporting.pentaho.org/
007:         *
008:         * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
009:         *
010:         * This library is free software; you can redistribute it and/or modify it under the terms
011:         * of the GNU Lesser General Public License as published by the Free Software Foundation;
012:         * either version 2.1 of the License, or (at your option) any later version.
013:         *
014:         * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
015:         * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
016:         * See the GNU Lesser General Public License for more details.
017:         *
018:         * You should have received a copy of the GNU Lesser General Public License along with this
019:         * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
020:         * Boston, MA 02111-1307, USA.
021:         *
022:         * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
023:         * in the United States and other countries.]
024:         *
025:         * ------------
026:         * $Id: ReportContextImpl.java 3525 2007-10-16 11:43:48Z tmorgner $
027:         * ------------
028:         * (C) Copyright 2000-2005, by Object Refinery Limited.
029:         * (C) Copyright 2005-2007, by Pentaho Corporation.
030:         */package org.jfree.report.data;
031:
032:        import java.util.HashMap;
033:
034:        import org.jfree.formula.FormulaContext;
035:        import org.jfree.report.flow.ReportContext;
036:        import org.jfree.report.flow.ReportStructureRoot;
037:        import org.jfree.report.flow.layoutprocessor.LayoutControllerFactory;
038:        import org.jfree.report.i18n.ResourceBundleFactory;
039:
040:        /**
041:         * Creation-Date: 20.11.2006, 12:19:34
042:         *
043:         * @author Thomas Morgner
044:         */
045:        public class ReportContextImpl implements  ReportContext {
046:            private static class DataCarrier {
047:                private boolean locked;
048:                private Object value;
049:
050:                private DataCarrier(final Object value) {
051:                    this .value = value;
052:                }
053:
054:                public void lock() {
055:                    locked = true;
056:                }
057:
058:                public boolean isLocked() {
059:                    return locked;
060:                }
061:
062:                public Object getValue() {
063:                    return value;
064:                }
065:
066:                public void setValue(final Object value) {
067:                    this .value = value;
068:                }
069:            }
070:
071:            private HashMap backend;
072:            private String exportDescriptor;
073:            private FormulaContext formulaContext;
074:            private LayoutControllerFactory layoutControllerFactory;
075:            private ResourceBundleFactory resourceBundleFactory;
076:            private ReportStructureRoot reportStructureRoot;
077:
078:            public ReportContextImpl() {
079:                backend = new HashMap();
080:            }
081:
082:            public void setReportStructureRoot(
083:                    final ReportStructureRoot reportStructureRoot) {
084:                this .reportStructureRoot = reportStructureRoot;
085:            }
086:
087:            public ReportStructureRoot getReportStructureRoot() {
088:                return reportStructureRoot;
089:            }
090:
091:            public String getExportDescriptor() {
092:                return exportDescriptor;
093:            }
094:
095:            public void setExportDescriptor(final String exportDescriptor) {
096:                this .exportDescriptor = exportDescriptor;
097:            }
098:
099:            public FormulaContext getFormulaContext() {
100:                return formulaContext;
101:            }
102:
103:            public void setFormulaContext(final FormulaContext formulaContext) {
104:                this .formulaContext = formulaContext;
105:            }
106:
107:            public LayoutControllerFactory getLayoutControllerFactory() {
108:                return layoutControllerFactory;
109:            }
110:
111:            public void setLayoutControllerFactory(
112:                    final LayoutControllerFactory layoutControllerFactory) {
113:                this .layoutControllerFactory = layoutControllerFactory;
114:            }
115:
116:            public void setAttribute(final Object key, final Object value) {
117:                final DataCarrier dc = (DataCarrier) backend.get(key);
118:                if (dc == null) {
119:                    if (value == null) {
120:                        return;
121:                    }
122:
123:                    final DataCarrier ndc = new DataCarrier(value);
124:                    backend.put(key, ndc);
125:                    return;
126:                }
127:
128:                if (dc.isLocked()) {
129:                    throw new IllegalStateException("Context-Entry is locked.");
130:                }
131:                dc.setValue(value);
132:            }
133:
134:            public void setSystemAttribute(final Object key, final Object value) {
135:                final DataCarrier dc = (DataCarrier) backend.get(key);
136:                if (dc == null) {
137:                    if (value == null) {
138:                        return;
139:                    }
140:
141:                    final DataCarrier ndc = new DataCarrier(value);
142:                    ndc.lock();
143:                    backend.put(key, ndc);
144:                    return;
145:                }
146:
147:                if (dc.isLocked()) {
148:                    throw new IllegalStateException("Context-Entry is locked.");
149:                }
150:                dc.setValue(value);
151:            }
152:
153:            public Object getAttribute(final Object key) {
154:                final DataCarrier dc = (DataCarrier) backend.get(key);
155:                if (dc == null) {
156:                    return null;
157:                }
158:                return dc.getValue();
159:            }
160:
161:            public boolean isSystemAttribute(final Object key) {
162:                final DataCarrier dc = (DataCarrier) backend.get(key);
163:                if (dc == null) {
164:                    return false;
165:                }
166:                return dc.isLocked();
167:            }
168:
169:            public ResourceBundleFactory getResourceBundleFactory() {
170:                return resourceBundleFactory;
171:            }
172:
173:            public void setResourceBundleFactory(
174:                    final ResourceBundleFactory resourceBundleFactory) {
175:                this.resourceBundleFactory = resourceBundleFactory;
176:            }
177:        }
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