org.apache.commons.compress.harmony.pack200.MetadataBandGroup Maven / Gradle / Ivy
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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.
*/
package org.apache.commons.compress.harmony.pack200;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* A group of metadata (annotation) bands, such as class_RVA_bands, method_AD_bands etc.
*/
public class MetadataBandGroup extends BandSet {
public static final int CONTEXT_CLASS = 0;
public static final int CONTEXT_FIELD = 1;
public static final int CONTEXT_METHOD = 2;
private final String type;
private int numBackwardsCalls = 0;
public IntList param_NB = new IntList(); // TODO: Lazy instantiation?
public IntList anno_N = new IntList();
public List type_RS = new ArrayList();
public IntList pair_N = new IntList();
public List name_RU = new ArrayList();
public List T = new ArrayList();
public List caseI_KI = new ArrayList();
public List caseD_KD = new ArrayList();
public List caseF_KF = new ArrayList();
public List caseJ_KJ = new ArrayList();
public List casec_RS = new ArrayList();
public List caseet_RS = new ArrayList();
public List caseec_RU = new ArrayList();
public List cases_RU = new ArrayList();
public IntList casearray_N = new IntList();
public List nesttype_RS = new ArrayList();
public IntList nestpair_N = new IntList();
public List nestname_RU = new ArrayList();
private final CpBands cpBands;
private final int context;
/**
* Constructs a new MetadataBandGroup
*
* @param type must be either AD, RVA, RIA, RVPA or RIPA.
* @param context CONTEXT_CLASS, CONTEXT_METHOD or CONTEXT_FIELD
* @param cpBands constant pool bands
* @param segmentHeader segment header
* @param effort packing effort
*/
public MetadataBandGroup(final String type, final int context, final CpBands cpBands,
final SegmentHeader segmentHeader, final int effort) {
super(effort, segmentHeader);
this.type = type;
this.cpBands = cpBands;
this.context = context;
}
/*
* (non-Javadoc)
*
* @see org.apache.commons.compress.harmony.pack200.BandSet#pack(java.io.OutputStream)
*/
@Override
public void pack(final OutputStream out) throws IOException, Pack200Exception {
PackingUtils.log("Writing metadata band group...");
if (hasContent()) {
String contextStr;
if (context == CONTEXT_CLASS) {
contextStr = "Class";
} else if (context == CONTEXT_FIELD) {
contextStr = "Field";
} else {
contextStr = "Method";
}
byte[] encodedBand = null;
if (!type.equals("AD")) {
if (type.indexOf('P') != -1) {
// Parameter annotation so we need to transmit param_NB
encodedBand = encodeBandInt(contextStr + "_" + type + " param_NB", param_NB.toArray(), Codec.BYTE1);
out.write(encodedBand);
PackingUtils.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type
+ " anno_N[" + param_NB.size() + "]");
}
encodedBand = encodeBandInt(contextStr + "_" + type + " anno_N", anno_N.toArray(), Codec.UNSIGNED5);
out.write(encodedBand);
PackingUtils.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type + " anno_N["
+ anno_N.size() + "]");
encodedBand = encodeBandInt(contextStr + "_" + type + " type_RS", cpEntryListToArray(type_RS),
Codec.UNSIGNED5);
out.write(encodedBand);
PackingUtils.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type + " type_RS["
+ type_RS.size() + "]");
encodedBand = encodeBandInt(contextStr + "_" + type + " pair_N", pair_N.toArray(), Codec.UNSIGNED5);
out.write(encodedBand);
PackingUtils.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type + " pair_N["
+ pair_N.size() + "]");
encodedBand = encodeBandInt(contextStr + "_" + type + " name_RU", cpEntryListToArray(name_RU),
Codec.UNSIGNED5);
out.write(encodedBand);
PackingUtils.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type + " name_RU["
+ name_RU.size() + "]");
}
encodedBand = encodeBandInt(contextStr + "_" + type + " T", tagListToArray(T), Codec.BYTE1);
out.write(encodedBand);
PackingUtils
.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type + " T[" + T.size() + "]");
encodedBand = encodeBandInt(contextStr + "_" + type + " caseI_KI", cpEntryListToArray(caseI_KI),
Codec.UNSIGNED5);
out.write(encodedBand);
PackingUtils.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type + " caseI_KI["
+ caseI_KI.size() + "]");
encodedBand = encodeBandInt(contextStr + "_" + type + " caseD_KD", cpEntryListToArray(caseD_KD),
Codec.UNSIGNED5);
out.write(encodedBand);
PackingUtils.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type + " caseD_KD["
+ caseD_KD.size() + "]");
encodedBand = encodeBandInt(contextStr + "_" + type + " caseF_KF", cpEntryListToArray(caseF_KF),
Codec.UNSIGNED5);
out.write(encodedBand);
PackingUtils.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type + " caseF_KF["
+ caseF_KF.size() + "]");
encodedBand = encodeBandInt(contextStr + "_" + type + " caseJ_KJ", cpEntryListToArray(caseJ_KJ),
Codec.UNSIGNED5);
out.write(encodedBand);
PackingUtils.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type + " caseJ_KJ["
+ caseJ_KJ.size() + "]");
encodedBand = encodeBandInt(contextStr + "_" + type + " casec_RS", cpEntryListToArray(casec_RS),
Codec.UNSIGNED5);
out.write(encodedBand);
PackingUtils.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type + " casec_RS["
+ casec_RS.size() + "]");
encodedBand = encodeBandInt(contextStr + "_" + type + " caseet_RS", cpEntryListToArray(caseet_RS),
Codec.UNSIGNED5);
out.write(encodedBand);
PackingUtils.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type + " caseet_RS["
+ caseet_RS.size() + "]");
encodedBand = encodeBandInt(contextStr + "_" + type + " caseec_RU", cpEntryListToArray(caseec_RU),
Codec.UNSIGNED5);
out.write(encodedBand);
PackingUtils.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type + " caseec_RU["
+ caseec_RU.size() + "]");
encodedBand = encodeBandInt(contextStr + "_" + type + " cases_RU", cpEntryListToArray(cases_RU),
Codec.UNSIGNED5);
out.write(encodedBand);
PackingUtils.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type + " cases_RU["
+ cases_RU.size() + "]");
encodedBand = encodeBandInt(contextStr + "_" + type + " casearray_N", casearray_N.toArray(),
Codec.UNSIGNED5);
out.write(encodedBand);
PackingUtils.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type + " casearray_N["
+ casearray_N.size() + "]");
encodedBand = encodeBandInt(contextStr + "_" + type + " nesttype_RS", cpEntryListToArray(nesttype_RS),
Codec.UNSIGNED5);
out.write(encodedBand);
PackingUtils.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type + " nesttype_RS["
+ nesttype_RS.size() + "]");
encodedBand = encodeBandInt(contextStr + "_" + type + " nestpair_N", nestpair_N.toArray(), Codec.UNSIGNED5);
out.write(encodedBand);
PackingUtils.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type + " nestpair_N["
+ nestpair_N.size() + "]");
encodedBand = encodeBandInt(contextStr + "_" + type + " nestname_RU", cpEntryListToArray(nestname_RU),
Codec.UNSIGNED5);
out.write(encodedBand);
PackingUtils.log("Wrote " + encodedBand.length + " bytes from " + contextStr + "_" + type + " nestname_RU["
+ nestname_RU.size() + "]");
}
}
private int[] tagListToArray(final List t2) {
final int[] ints = new int[t2.size()];
for (int i = 0; i < ints.length; i++) {
ints[i] = ((String) t2.get(i)).charAt(0);
}
return ints;
}
/**
* Add an annotation to this set of bands.
*
* @param numParams TODO
* @param annoN TODO
* @param pairN TODO
* @param typeRS TODO
* @param nameRU TODO
* @param t TODO
* @param values TODO
* @param caseArrayN TODO
* @param nestTypeRS TODO
* @param nestNameRU TODO
* @param nestPairN TODO
*/
public void addParameterAnnotation(final int numParams, final int[] annoN, final IntList pairN, final List typeRS,
final List nameRU, final List t, final List values, final List caseArrayN, final List nestTypeRS,
final List nestNameRU, final List nestPairN) {
param_NB.add(numParams);
for (int i = 0; i < annoN.length; i++) {
anno_N.add(annoN[i]);
}
pair_N.addAll(pairN);
for (final Iterator iterator = typeRS.iterator(); iterator.hasNext();) {
final String desc = (String) iterator.next();
type_RS.add(cpBands.getCPSignature(desc));
}
for (final Iterator iterator = nameRU.iterator(); iterator.hasNext();) {
final String name = (String) iterator.next();
name_RU.add(cpBands.getCPUtf8(name));
}
final Iterator valuesIterator = values.iterator();
for (final Iterator iterator = t.iterator(); iterator.hasNext();) {
final String tag = (String) iterator.next();
T.add(tag);
if (tag.equals("B") || tag.equals("C") || tag.equals("I") || tag.equals("S") || tag.equals("Z")) {
final Integer value = (Integer) valuesIterator.next();
caseI_KI.add(cpBands.getConstant(value));
} else if (tag.equals("D")) {
final Double value = (Double) valuesIterator.next();
caseD_KD.add(cpBands.getConstant(value));
} else if (tag.equals("F")) {
final Float value = (Float) valuesIterator.next();
caseF_KF.add(cpBands.getConstant(value));
} else if (tag.equals("J")) {
final Long value = (Long) valuesIterator.next();
caseJ_KJ.add(cpBands.getConstant(value));
} else if (tag.equals("c")) {
final String value = (String) valuesIterator.next();
casec_RS.add(cpBands.getCPSignature(value));
} else if (tag.equals("e")) {
final String value = (String) valuesIterator.next();
final String value2 = (String) valuesIterator.next();
caseet_RS.add(cpBands.getCPSignature(value));
caseec_RU.add(cpBands.getCPUtf8(value2));
} else if (tag.equals("s")) {
final String value = (String) valuesIterator.next();
cases_RU.add(cpBands.getCPUtf8(value));
}
// do nothing here for [ or @ (handled below)
}
for (final Iterator iterator = caseArrayN.iterator(); iterator.hasNext();) {
final int arraySize = ((Integer) iterator.next()).intValue();
casearray_N.add(arraySize);
numBackwardsCalls += arraySize;
}
for (final Iterator iterator = nestTypeRS.iterator(); iterator.hasNext();) {
final String type = (String) iterator.next();
nesttype_RS.add(cpBands.getCPSignature(type));
}
for (final Iterator iterator = nestNameRU.iterator(); iterator.hasNext();) {
final String name = (String) iterator.next();
nestname_RU.add(cpBands.getCPUtf8(name));
}
for (final Iterator iterator = nestPairN.iterator(); iterator.hasNext();) {
final Integer numPairs = (Integer) iterator.next();
nestpair_N.add(numPairs.intValue());
numBackwardsCalls += numPairs.intValue();
}
}
/**
* Add an annotation to this set of bands
*
* @param desc TODO
* @param nameRU TODO
* @param t TODO
* @param values TODO
* @param caseArrayN TODO
* @param nestTypeRS TODO
* @param nestNameRU TODO
* @param nestPairN TODO
*/
public void addAnnotation(final String desc, final List nameRU, final List t, final List values,
final List caseArrayN, final List nestTypeRS, final List nestNameRU, final List nestPairN) {
type_RS.add(cpBands.getCPSignature(desc));
pair_N.add(nameRU.size());
for (final Iterator iterator = nameRU.iterator(); iterator.hasNext();) {
final String name = (String) iterator.next();
name_RU.add(cpBands.getCPUtf8(name));
}
final Iterator valuesIterator = values.iterator();
for (final Iterator iterator = t.iterator(); iterator.hasNext();) {
final String tag = (String) iterator.next();
T.add(tag);
if (tag.equals("B") || tag.equals("C") || tag.equals("I") || tag.equals("S") || tag.equals("Z")) {
final Integer value = (Integer) valuesIterator.next();
caseI_KI.add(cpBands.getConstant(value));
} else if (tag.equals("D")) {
final Double value = (Double) valuesIterator.next();
caseD_KD.add(cpBands.getConstant(value));
} else if (tag.equals("F")) {
final Float value = (Float) valuesIterator.next();
caseF_KF.add(cpBands.getConstant(value));
} else if (tag.equals("J")) {
final Long value = (Long) valuesIterator.next();
caseJ_KJ.add(cpBands.getConstant(value));
} else if (tag.equals("c")) {
final String value = (String) valuesIterator.next();
casec_RS.add(cpBands.getCPSignature(value));
} else if (tag.equals("e")) {
final String value = (String) valuesIterator.next();
final String value2 = (String) valuesIterator.next();
caseet_RS.add(cpBands.getCPSignature(value));
caseec_RU.add(cpBands.getCPUtf8(value2));
} else if (tag.equals("s")) {
final String value = (String) valuesIterator.next();
cases_RU.add(cpBands.getCPUtf8(value));
}
// do nothing here for [ or @ (handled below)
}
for (final Iterator iterator = caseArrayN.iterator(); iterator.hasNext();) {
final int arraySize = ((Integer) iterator.next()).intValue();
casearray_N.add(arraySize);
numBackwardsCalls += arraySize;
}
for (final Iterator iterator = nestTypeRS.iterator(); iterator.hasNext();) {
final String type = (String) iterator.next();
nesttype_RS.add(cpBands.getCPSignature(type));
}
for (final Iterator iterator = nestNameRU.iterator(); iterator.hasNext();) {
final String name = (String) iterator.next();
nestname_RU.add(cpBands.getCPUtf8(name));
}
for (final Iterator iterator = nestPairN.iterator(); iterator.hasNext();) {
final Integer numPairs = (Integer) iterator.next();
nestpair_N.add(numPairs.intValue());
numBackwardsCalls += numPairs.intValue();
}
}
/**
* Returns true if any annotations have been added to this set of bands.
*
* @return true if any annotations have been added to this set of bands.
*/
public boolean hasContent() {
return type_RS.size() > 0;
}
public int numBackwardsCalls() {
return numBackwardsCalls;
}
public void incrementAnnoN() {
anno_N.increment(anno_N.size() - 1);
}
public void newEntryInAnnoN() {
anno_N.add(1);
}
/**
* Remove the latest annotation that was added to this group
*/
public void removeLatest() {
final int latest = anno_N.remove(anno_N.size() - 1);
for (int i = 0; i < latest; i++) {
type_RS.remove(type_RS.size() - 1);
final int pairs = pair_N.remove(pair_N.size() - 1);
for (int j = 0; j < pairs; j++) {
removeOnePair();
}
}
}
/*
* Convenience method for removeLatest
*/
private void removeOnePair() {
final String tag = (String) T.remove(T.size() - 1);
if (tag.equals("B") || tag.equals("C") || tag.equals("I") || tag.equals("S") || tag.equals("Z")) {
caseI_KI.remove(caseI_KI.size() - 1);
} else if (tag.equals("D")) {
caseD_KD.remove(caseD_KD.size() - 1);
} else if (tag.equals("F")) {
caseF_KF.remove(caseF_KF.size() - 1);
} else if (tag.equals("J")) {
caseJ_KJ.remove(caseJ_KJ.size() - 1);
} else if (tag.equals("C")) {
casec_RS.remove(casec_RS.size() - 1);
} else if (tag.equals("e")) {
caseet_RS.remove(caseet_RS.size() - 1);
caseec_RU.remove(caseet_RS.size() - 1);
} else if (tag.equals("s")) {
cases_RU.remove(cases_RU.size() - 1);
} else if (tag.equals("[")) {
final int arraySize = casearray_N.remove(casearray_N.size() - 1);
numBackwardsCalls -= arraySize;
for (int k = 0; k < arraySize; k++) {
removeOnePair();
}
} else if (tag.equals("@")) {
nesttype_RS.remove(nesttype_RS.size() - 1);
final int numPairs = nestpair_N.remove(nestpair_N.size() - 1);
numBackwardsCalls -= numPairs;
for (int i = 0; i < numPairs; i++) {
removeOnePair();
}
}
}
}
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